^ Jump up to: a b c "FDA warns company marketing unapproved cannabidiol products with unsubstantiated claims to treat cancer, Alzheimer's disease, opioid withdrawal, pain and pet anxiety". US Food and Drug Administration. July 23, 2019. Retrieved July 24, 2019. Unlike drugs approved by the FDA, the manufacturing process of these products has not been subject to FDA review as part of the drug approval process, and there has been no FDA evaluation of whether these products are effective for their intended use, what the proper dosage is, how they could interact with FDA-approved drugs, or whether they have dangerous side effects or other safety concerns.

Laboratory evidence indicated that cannabidiol may reduce THC clearance, increasing plasma concentrations which may raise THC availability to receptors and enhance its effect in a dose-dependent manner.[21][22] In vitro, cannabidiol inhibited receptors affecting the activity of voltage-dependent sodium and potassium channels, which may affect neural activity.[23] A small clinical trial reported that CBD partially inhibited the CYP2C-catalyzed hydroxylation of THC to 11-OH-THC.[24] Little is known about potential drug interactions, but CBD-mediates a decrease in clobazam metabolism.[25]

3. You may feel a sore throat, dry mouth, and/or cold-like symptoms. For most people this passes after about a week. Drinking more liquids may help. Note that these are common symptoms of quitting smoking, related to tar. For a particular person they may or may not be aggravated by vaping. If these get very bad you should consider switching from vaping a PG based liquid (the most common liquids) to a VG based one or seeing a doctor (perhaps something else is causing the symptoms.)
^ Scott Gottlieb (July 30, 2019). "The CBD craze is getting out of hand. The FDA needs to act". The Washington Post. Retrieved July 31, 2019. ... many of the compound’s expansive benefits are fanciful, and in fact, the sale of much of the product is illegal under current law. The Food and Drug Administration must act to make sure commercial interests don’t strip away any legitimate value that the compound might have.
If you’re concerned about your health, the electronic cigarette may also be a major benefit to you.  This is the most important one of the top ECIG reasons and why you should quit smoking cigarettes.  This product will allow you to feel like you are smoking without inhaling harmful carcinogens such as tar.  You’ll be able to calm your cravings without having to worry about emphysema. cbd oil