CBD FAQs Your Comprehensive Guide to Understanding Cannabidiol

CBD FAQs: Ever felt like you’re lost in a jungle of jargon when it comes to CBD? Fear not! We’re here to unravel the mysteries, bust the myths, and illuminate the path to understanding this fascinating compound. From whispers of its calming effects to the legal labyrinths it navigates, CBD is a hot topic, and for good reason. It’s time to separate fact from fiction and explore the potential that lies within this natural wonder.

This exploration will be a deep dive into everything CBD. We’ll tackle common misconceptions head-on, comparing them to scientific evidence with a side-by-side comparison, because knowledge is power, and knowing the difference between CBD and its more famous cousin, THC, is crucial. We’ll navigate the various ways the body interacts with CBD, from the subtle nuances of how it’s absorbed to the crucial role of the endocannabinoid system.

Prepare to learn about the potential therapeutic applications, with research-backed insights into how CBD might play a role in managing pain, anxiety, and even sleep disorders. We’ll also unpack the complex legal landscape, guiding you through the rules and regulations across different regions. And finally, we’ll equip you with the knowledge to choose high-quality products, ensuring your safety and well-being every step of the way.

What are the common misconceptions surrounding cannabidiol and how do they impact public perception?

Cbd faqs

The world of cannabidiol (CBD) often feels like a minefield of misinformation. From whispered rumors to bold headlines, the narrative surrounding this compound is frequently skewed, leading to confusion and, at times, unfounded skepticism. These misunderstandings shape how the public views CBD, influencing everything from consumer choices to legislative decisions. Clearing up these misconceptions is vital for informed decision-making and responsible use.

Prevalent Myths and Their Impact

CBD, or cannabidiol, has been the subject of much speculation, often fueled by its association with cannabis. The lack of comprehensive understanding has resulted in numerous myths that distort its true nature and potential benefits. These misconceptions have a significant impact on public perception, often leading to hesitancy in trying CBD products or even outright rejection. For instance, the myth of psychoactive effects wrongly equates CBD with its cousin, THC, causing unnecessary concern among potential users.

Similarly, inaccurate beliefs about its legal status create confusion and uncertainty, hindering accessibility. The exaggerated claims of CBD’s efficacy for various conditions also contribute to unrealistic expectations and potential disappointment.

Debunking Common Myths: CBD vs. THC

To address these misconceptions, it’s essential to compare them with scientific evidence, highlighting the differences between CBD and THC. Here’s a breakdown of five common myths and the facts that debunk them:

  • Myth: CBD gets you high.
  • Fact: CBD is a non-psychoactive compound. It does not produce the euphoric effects associated with THC, the primary psychoactive component of cannabis. While some CBD products may contain trace amounts of THC, the levels are generally too low to cause intoxication.
  • Myth: CBD is illegal everywhere.
  • Fact: The legal status of CBD varies. In many countries and regions, CBD derived from hemp (containing less than 0.3% THC) is legal. However, the laws are constantly evolving, and it’s crucial to understand the regulations in your specific location.
  • Myth: CBD is a cure-all.
  • Fact: While CBD shows promise in managing certain conditions, it is not a cure-all. Research suggests it may help with pain relief, anxiety, and other ailments, but it’s not a guaranteed solution for everyone. It’s crucial to consult with a healthcare professional before using CBD for medical purposes.
  • Myth: All CBD products are created equal.
  • Fact: The quality and purity of CBD products can vary widely. Factors such as extraction methods, sourcing of the hemp plant, and third-party testing significantly impact the product’s effectiveness and safety. Always choose products from reputable brands that provide lab results.
  • Myth: CBD is dangerous.
  • Fact: CBD is generally considered safe, with a low risk of side effects. The World Health Organization (WHO) has stated that CBD does not appear to have any potential for abuse or dependence. However, some individuals may experience mild side effects, such as drowsiness or changes in appetite.

Cannabinoid Comparison Table

Understanding the key differences between cannabinoids is crucial for navigating the world of CBD. The following table provides a comparison of CBD, THC, and other cannabinoids:

Cannabinoid Psychoactive Effects Potential Benefits Legal Status (Varies)
CBD (Cannabidiol) Non-psychoactive Pain relief, anxiety reduction, anti-inflammatory, may help with sleep, seizures Legal in many places, derived from hemp
THC (Tetrahydrocannabinol) Psychoactive (produces a “high”) Pain relief, appetite stimulation, nausea reduction Legal in some places for medical and recreational use
CBN (Cannabinol) Mildly psychoactive May promote sleep, pain relief Legal in many places
CBG (Cannabigerol) Non-psychoactive Anti-inflammatory, may help with glaucoma, may help with inflammatory bowel disease Legal in many places

How does the body process cannabidiol and what factors influence its absorption and effectiveness?

Understanding how CBD interacts with our bodies is key to unlocking its potential. It’s a journey from the moment you take it to the moment it starts interacting with your cells. The process isn’t a one-size-fits-all, and many variables come into play, shaping the experience and impact. Let’s delve into the mechanics of CBD absorption, the different ways it can be used, and the crucial factors that can influence its effectiveness.

Methods of CBD Administration and Bioavailability

CBD can be administered through various methods, each with its own advantages and disadvantages concerning how quickly and efficiently it’s absorbed into the bloodstream. This is where bioavailability comes into play – the proportion of a substance that enters the circulation when introduced into the body and so is able to have an active effect. The bioavailability of CBD varies significantly depending on the method used.Oral ingestion, a popular method, involves swallowing CBD-infused products like capsules, edibles (gummies, chocolates), or oils.

This route involves the digestive system, where CBD is metabolized by the liver before entering the bloodstream. This “first-pass effect” can reduce the amount of CBD available for use, leading to lower bioavailability. Studies show oral CBD bioavailability can range from as low as 6% to around 20%. Imagine a small portion of a delicious cake being available to enjoy.

However, oral administration provides a longer-lasting effect, as the CBD is released gradually.Topical application, such as creams, lotions, and balms, is applied directly to the skin. This method bypasses the digestive system and liver, leading to a localized effect. The bioavailability of topical CBD is generally low, as the skin acts as a barrier. The CBD interacts with cannabinoid receptors in the skin, potentially offering relief from localized discomfort.

Think of it like a targeted treatment, directly applied to where it’s needed.Inhalation, through vaping or smoking, offers the fastest absorption rate and highest bioavailability. CBD enters the lungs and is quickly absorbed into the bloodstream, often within minutes. Bioavailability via inhalation can be as high as 30% to 60%. This rapid absorption makes it suitable for immediate effects. However, the effects are typically shorter-lived compared to oral administration.

This method is like a quick espresso shot, providing a rapid boost.Sublingual administration involves placing CBD oil or tinctures under the tongue. The CBD is absorbed through the mucous membranes, bypassing the digestive system and liver to some extent. This method offers a faster onset than oral ingestion, with a bioavailability that’s typically higher. It’s a bit like a shortcut, avoiding some of the initial processing and delivering a more direct impact.

Factors Affecting CBD Absorption and Effectiveness, Cbd faqs

Several factors can influence how well your body absorbs and utilizes CBD. These variables are important to understand to optimize your experience and tailor your approach.Here’s a list of key elements that can affect CBD absorption and effectiveness:

  • Individual Metabolism: Each person’s metabolism is unique. Differences in metabolic rate can affect how quickly CBD is processed and eliminated from the body. Individuals with faster metabolisms may experience shorter-lasting effects.
  • Dosage: The amount of CBD consumed directly impacts its effects. Finding the right dosage is crucial, as too little may not provide the desired results, while too much could lead to side effects. Starting with a low dose and gradually increasing it is a common approach.
  • Product Quality: The quality of the CBD product matters significantly. The concentration of CBD, the presence of other cannabinoids and terpenes (the “entourage effect”), and the absence of contaminants are all important. Products tested by third-party laboratories offer greater assurance of quality.
  • Presence of Food: Consuming CBD with food, especially fatty foods, can increase its absorption. Fats help to transport CBD through the digestive system, increasing its bioavailability. Think of it as giving CBD a smoother ride into your system.
  • Method of Administration: As discussed earlier, the chosen method of administration dramatically affects absorption rates and the onset of effects.
  • Body Weight and Composition: Body weight and composition can influence how CBD is distributed and metabolized within the body.
  • Overall Health: General health, including liver function, can affect how CBD is processed. Individuals with certain health conditions may experience different effects.
  • Drug Interactions: CBD can interact with certain medications. Consulting a healthcare professional is crucial if you are taking other drugs.

The Endocannabinoid System (ECS) and CBD’s Interaction

The endocannabinoid system (ECS) is a complex network of receptors, endocannabinoids, and enzymes that play a crucial role in regulating various physiological processes. The ECS is involved in maintaining homeostasis, or balance, within the body.Here are the key functions of the ECS:

  • Pain Regulation: The ECS modulates pain perception, potentially reducing chronic pain.
  • Inflammation Control: The ECS helps to regulate inflammation, contributing to immune response.
  • Mood and Emotion: The ECS influences mood, anxiety, and stress responses.
  • Sleep-Wake Cycles: The ECS plays a role in regulating sleep patterns.
  • Appetite and Digestion: The ECS affects appetite, metabolism, and digestive processes.
  • Motor Control: The ECS is involved in coordinating movement and motor function.

CBD interacts with the ECS primarily by indirectly influencing the cannabinoid receptors, CB1 and CB2. It doesn’t directly bind to these receptors in the same way as THC. Instead, CBD may enhance the effects of the body’s own endocannabinoids by inhibiting their breakdown, thus increasing their availability and activity. This interaction contributes to the potential therapeutic effects of CBD. Think of it as a helpful guide for the body’s internal balancing act.

What are the potential therapeutic applications of cannabidiol supported by research, and what conditions might benefit?: Cbd Faqs

Let’s delve into the fascinating world of CBD and explore its potential as a therapeutic agent. Research suggests that CBD may offer relief for a range of conditions, sparking interest and hope for many. We’ll examine the scientific evidence, focusing on pain management, anxiety, and sleep disorders, and consider what the future may hold for this promising compound.

Pain Management and CBD

Chronic pain affects millions, and the search for effective treatments is ongoing. CBD has emerged as a potential option, with several studies indicating its efficacy.The endocannabinoid system (ECS) plays a crucial role in regulating pain perception. CBD interacts with this system, primarily by indirectly influencing cannabinoid receptors (CB1 and CB2) and other receptors involved in pain pathways. A study published in the

Journal of Experimental Medicine* found that CBD significantly reduced chronic pain and inflammation in mice.

>

CBD may offer a natural alternative to traditional pain medications, with fewer side effects.*

While more human trials are needed, the preliminary results are encouraging. Some research suggests that CBD may be particularly helpful for neuropathic pain, which is often difficult to treat with conventional medications. For example, a 2020 study in theEuropean Journal of Pain* investigated the effects of CBD on chronic pain patients. The results showed a significant reduction in pain scores and improvements in sleep quality.

It is important to remember that these are preliminary findings, and more research is necessary to confirm these effects.

Anxiety and CBD’s Potential

Anxiety disorders are prevalent, and finding effective treatments is paramount. CBD’s potential to alleviate anxiety has garnered significant attention.The anxiolytic effects of CBD are thought to be related to its interaction with the serotonin 5-HT1A receptor, which plays a key role in regulating mood and anxiety. Research has demonstrated that CBD can reduce anxiety in various contexts.One double-blind, placebo-controlled study published in

  • Neurotherapeutics* investigated the effects of CBD on social anxiety disorder. The study found that CBD significantly reduced anxiety levels and improved performance in a simulated public speaking test. Furthermore, a 2019 study in
  • The Permanente Journal* examined the effects of CBD on anxiety and sleep in adults. The study revealed that CBD improved anxiety scores in the majority of participants. It is important to note that the effects of CBD can vary from person to person, and more research is needed to determine the optimal dosage and application methods.

CBD and Sleep Disorders

Sleep is essential for overall health, and sleep disorders can significantly impact quality of life. CBD’s potential to improve sleep has been investigated in several studies.CBD’s impact on sleep may be linked to its ability to reduce anxiety and pain, both of which can interfere with sleep. Furthermore, CBD may interact with the ECS and other receptors to promote relaxation and improve sleep quality.A review published in

  • Current Psychiatry Reports* found that CBD may be effective in treating sleep disorders, including insomnia. A 2019 study published in
  • The Journal of Clinical Pharmacology* investigated the effects of CBD on sleep and anxiety. The study found that CBD improved sleep scores in participants. While these studies suggest potential benefits, more research is necessary to determine the optimal dosage and application methods for different sleep disorders.

Conditions Showing Promising Results from CBD Use

The following conditions have shown promising results from CBD use. The level of evidence and potential side effects are noted.* Chronic Pain:

Level of Evidence

Moderate, with several studies showing pain reduction.

Potential Side Effects

Mild, including fatigue, diarrhea, and changes in appetite.

Anxiety Disorders

Level of Evidence

Moderate, with some clinical trials demonstrating reduced anxiety.

Potential Side Effects

Mild, including fatigue, changes in appetite, and diarrhea.

Sleep Disorders

Level of Evidence

Preliminary, with some studies showing improved sleep quality.

Potential Side Effects

Mild, including fatigue, diarrhea, and changes in appetite.

Epilepsy (Specific Forms)

Level of Evidence

Strong, with FDA-approved medications containing CBD.

Potential Side Effects

More severe in some cases, including liver damage.

Multiple Sclerosis (MS) Symptoms

Level of Evidence

Moderate, with some evidence of reduced spasticity and pain.

Potential Side Effects

Mild, including fatigue and dizziness.

HTML Table: Potential Benefits, Dosage, and Risks

Here is a table summarizing the potential benefits of CBD for various conditions, along with dosage recommendations and potential risks. Remember to consult with a healthcare professional before starting any new treatment.

Condition Potential Benefits Dosage Recommendations (General Guidelines) Potential Risks
Chronic Pain Pain reduction, reduced inflammation 10-40mg daily, may increase as needed, or as directed by a healthcare professional Fatigue, diarrhea, changes in appetite, interaction with other medications
Anxiety Disorders Reduced anxiety levels, improved mood 25-75mg daily, or as directed by a healthcare professional Fatigue, changes in appetite, diarrhea, possible interaction with other medications
Sleep Disorders Improved sleep quality, reduced insomnia 25-160mg, taken 1-2 hours before bedtime, or as directed by a healthcare professional Fatigue, diarrhea, changes in appetite, possible interaction with other medications
Epilepsy (Specific Forms) Reduction in seizure frequency and severity Dosage varies widely based on the specific medication and patient, always consult with a healthcare professional. Liver damage, drowsiness, changes in appetite and weight, possible interactions with other medications.
Multiple Sclerosis (MS) Symptoms Reduced spasticity, pain relief Dosage varies based on the specific symptoms, and always consult with a healthcare professional. Fatigue, dizziness, possible interaction with other medications

How do consumers navigate the legal landscape of cannabidiol products across different regions and countries?

Navigating the world of CBD can feel like traversing a maze, especially when you consider the patchwork of laws governing its use. The legality of CBD products isn’t uniform; it varies wildly from place to place, influenced by definitions of “hemp” and “marijuana,” and the permissible levels of THC. Understanding these nuances is crucial for consumers to avoid legal trouble and make informed choices about the products they purchase.

The following sections will break down these complexities, offering clarity on the legal status, regulations, and consumer considerations.

Varying Legal Statuses of CBD Products

The legal landscape of CBD is a tangled web, a reflection of differing perspectives on cannabis and its derivatives. The crucial distinction lies in the source of the CBD and its THC content. Generally, CBD derived from hemp is treated differently than CBD extracted from marijuana. The following overview highlights these differences across various regions.In the United States, the 2018 Farm Bill federally legalized hemp, defining it as cannabis with no more than 0.3% THC by dry weight.

This means CBD products derived from hemp are legal at the federal level, but individual states can still impose their own restrictions. For example, some states may require licenses for CBD manufacturers or retailers, while others have no specific regulations beyond those related to general product safety. In contrast, marijuana, which contains higher levels of THC, remains illegal at the federal level, although many states have legalized it for medical or recreational use.The European Union has a more nuanced approach.

CBD products are generally legal, provided they contain less than 0.2% THC. However, the interpretation and enforcement of these regulations vary among member states. Some countries have specific regulations regarding the cultivation, processing, and sale of CBD products, while others have yet to establish comprehensive frameworks. This inconsistency can lead to confusion for consumers and businesses alike.In Canada, CBD is legal nationwide, but it is regulated under the Cannabis Act.

This means CBD products must be produced by licensed producers and sold through regulated channels. The allowable THC content is similar to the US standard, with a maximum of 0.3% THC.Other countries have diverse approaches. In Japan, CBD is legal, but THC is strictly prohibited. Australia allows CBD products with a prescription, and the permissible THC content is extremely low.

In contrast, some countries, like those in certain parts of Southeast Asia, have very strict laws regarding cannabis, including CBD, and may impose severe penalties for possession or use.The varying definitions of hemp and marijuana are central to understanding these legal differences. Hemp is typically defined by its low THC content, while marijuana is defined by its higher THC content.

This distinction is the cornerstone of the legal framework surrounding CBD, dictating whether a product is regulated as a hemp product or a marijuana product.

Regulations Regarding CBD Product Labeling, Testing, and Manufacturing

Ensuring the safety and quality of CBD products relies heavily on robust regulations governing labeling, testing, and manufacturing processes. Consumers need to be well-informed to navigate the market effectively.The following points Artikel key regulatory aspects:

  • Labeling Requirements: Accurate labeling is paramount. CBD product labels should clearly state the CBD content in milligrams (mg) per serving and per container. The label should also list all ingredients, including any carrier oils, flavorings, and other additives. The source of the CBD (e.g., hemp-derived) should be specified, along with the THC content. A batch number and manufacturing date are also essential for traceability.

  • Third-Party Lab Testing:

    Third-party lab testing is the gold standard for verifying the accuracy of product claims.

    Reputable manufacturers submit their products to independent laboratories for analysis. These tests confirm the CBD and THC content, and screen for contaminants like pesticides, heavy metals, and residual solvents. Test results, often presented in a Certificate of Analysis (COA), should be readily available to consumers.

  • Manufacturing Standards: Manufacturers must adhere to good manufacturing practices (GMP) to ensure product quality and consistency. This includes proper hygiene, equipment maintenance, and quality control procedures. The manufacturing facility should be compliant with relevant regulations and undergo periodic inspections.
  • Product Claims: Manufacturers should avoid making unsubstantiated health claims. While research suggests potential benefits of CBD, the FDA has not approved CBD products for treating or curing any medical conditions. Claims should be based on scientific evidence and be compliant with regulations regarding health claims.
  • Traceability: From seed to shelf, traceability is vital. Manufacturers should be able to track the origin of their hemp, the processing methods used, and the distribution of their products. This helps ensure product safety and allows for quick responses in case of product recalls.

Legal Status of CBD in Different Regions

The following table summarizes the legal status of CBD in various regions. Please note that these regulations are subject to change, and it’s essential to check local laws before purchasing or using CBD products.

Region Legal Status Restrictions/Requirements THC Content Limit
United States (Federal) Legal (Hemp-derived CBD) Varies by state; may require licenses, impose age restrictions, or restrict product types. ≤ 0.3%
California, USA Legal (Hemp and Marijuana-derived CBD) Requires testing and labeling. Regulations enforced by the CDPH. ≤ 0.3%
Texas, USA Legal (Hemp-derived CBD) Must be registered with the state, limited to products with less than 0.3% THC. ≤ 0.3%
European Union Generally Legal Regulations vary by member state; may require licensing, restrict product types, and enforce labeling requirements. ≤ 0.2%
United Kingdom Legal Must be derived from EU-approved hemp strains. Products must not make medical claims and must be tested. ≤ 0.2%
Canada Legal Must be produced by licensed producers and sold through regulated channels. ≤ 0.3%
Japan Legal THC is strictly prohibited. CBD products must be THC-free. 0%
Australia Legal with prescription Requires a prescription from a doctor. Products must meet specific quality standards. Extremely low, varies by state

What are the key considerations for selecting high-quality cannabidiol products and ensuring consumer safety?

Cbd faqs

Choosing a CBD product can feel like navigating a minefield, with a dizzying array of options and claims. Ensuring consumer safety and getting the most out of your CBD experience means being a savvy shopper. This section will guide you through the critical factors to consider, empowering you to make informed decisions and prioritize your well-being.

Evaluating CBD Product Quality

Quality is paramount when it comes to CBD. It’s not just about the CBD content; it’s about the entire process, from where the hemp is grown to how the final product is made. Several key elements contribute to a high-quality CBD product.The foundation of any good CBD product starts with the source. Look for hemp that is:

  • Organically Grown: This means the hemp is cultivated without synthetic pesticides, herbicides, or fertilizers. Organic farming practices help minimize the risk of contaminants and ensure a cleaner product. Imagine a field of lush, green hemp, nurtured by the sun and rain, free from harmful chemicals.
  • Grown in the United States or Countries with Strict Regulations: The United States, Canada, and certain European countries have established regulations for hemp cultivation, which can help ensure quality and safety. These regulations often involve testing for heavy metals, pesticides, and other contaminants.
  • Sourced from Reputable Farms: Research the brand and see if they disclose the farm where they source their hemp. Transparency is key. A reputable brand will be open about its sourcing practices.

Extraction methods play a crucial role in determining the quality and purity of the CBD. The most common methods are:

  • CO2 Extraction: This is generally considered the gold standard. It uses carbon dioxide under high pressure to extract CBD, resulting in a clean and pure product without residual solvents. Think of it as a gentle, yet effective, process that preserves the beneficial compounds in the hemp plant.
  • Ethanol Extraction: This method uses food-grade ethanol to extract CBD. While effective, it’s essential that the ethanol is completely removed during the process to avoid any potential health risks.
  • Solvent Extraction (Butane, Propane): These methods are less desirable as they can leave behind harmful residues if not properly executed and thoroughly tested. Avoid products that use these methods if you’re unsure about the brand’s quality control.

Third-party testing is the cornerstone of consumer safety and product verification. Reputable CBD brands will have their products tested by independent laboratories. These tests should verify:

  • Potency: Confirming the amount of CBD and other cannabinoids present in the product. Make sure the label accurately reflects the contents.
  • Purity: Testing for contaminants such as heavy metals (lead, mercury, arsenic), pesticides, herbicides, and residual solvents. These tests ensure the product is free from harmful substances.
  • Terpene Profile: Identifying the terpenes present in the product, which contribute to the entourage effect (synergistic benefits of multiple cannabinoids and terpenes).

Always review the Certificate of Analysis (COA), which is the lab report. It should be easily accessible on the brand’s website or available upon request. A legitimate COA will have the lab’s name, the product tested, the date of the test, and the results.

Potential Risks and Side Effects of CBD Use

While generally considered safe, CBD isn’t without potential risks and side effects. It’s crucial to be aware of these before using any CBD product. Here’s a rundown of potential issues:

  • Drug Interactions: CBD can interact with certain medications, including blood thinners, antidepressants, and some heart medications. It can affect how your body metabolizes these drugs, potentially altering their effects. It’s essential to consult with a healthcare professional before using CBD if you are taking any medications.
  • Side Effects: Common side effects can include dry mouth, diarrhea, reduced appetite, fatigue, and drowsiness. These side effects are usually mild and temporary.
  • Liver Enzyme Interference: High doses of CBD may affect liver enzymes, which could impact the metabolism of other drugs.
  • Contraindications: Pregnant or breastfeeding women should avoid CBD due to a lack of research on its effects on fetal development and infants. Individuals with pre-existing liver conditions should also exercise caution.
  • Product Contamination: Low-quality products may contain contaminants, such as heavy metals or pesticides, which can pose health risks.

Product Evaluation Table

To illustrate how to evaluate different CBD product types, consider this table:

Product Type Source (Example) Extraction Method Lab Results (Example)
CBD Oil Tincture

Hemp from a USDA-certified organic farm in Colorado.

Transparency: The brand clearly states the farm and provides farm visit information.

CO2 Extraction

COA available online. Confirms 30mg CBD per serving, no detectable THC, and negative for pesticides, heavy metals, and residual solvents. Full terpene profile listed.

CBD Gummies

Hemp grown in Oregon, USA, adhering to state regulations.

Source Verification: Website details on farm and farming practices.

Ethanol Extraction (thoroughly tested to ensure no residue)

COA available. Confirms 25mg CBD per gummy, low levels of THC, and passed tests for contaminants. Minor terpene profile.

CBD Topical Cream

Hemp sourced from a European Union certified farm.

Clear labeling of origin.

CO2 Extraction

COA available. Confirms 100mg CBD per container, negative for THC, pesticides, and heavy metals. Terpene profile detailed.

Disclaimer: The examples provided in the table are hypothetical and for illustrative purposes only. Always consult with a healthcare professional before using any CBD product. Always review the product’s COA.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top
close