The main points are to use cooking oils in moderation, Lichtenstein said. The government's U.S. Dietary Guidelines recommend that Americans include a small amount of oils in their diets every day to supply essential fatty acids, because the body can't make these acids and thus must get them from food. There are two such fatty acids, and both are polyunsaturated fatty acids: linoleic acid and alpha-linolenic acid.
Hemp oil is a "drying oil", as it can polymerize into a solid form. Due to its polymer-forming properties, hemp oil is used on its own or blended with other oils, resins, and solvents as an impregnator and varnish in wood finishing, as a pigment binder in oil paints, and as a plasticizer and hardener in putty. It has uses similar to linseed oil and characteristics similar to tung oil.[34]
Vapor Distillation™: Also sometimes called thermal extraction, vapor distillation uses hot air to safely vaporize the full spectrum of chemical components at high concentration from the buds, and then the vapor is distilled into CBD oil. This method also activates the cannabinoids by removing an extra carboxyl ring from their molecular chain (a chemical reaction called decarboxylation), enabling them to interact directly with CB receptors for maximal medicinal value.
Cannabinoids, including cannabidiol (CBD), work by mimicking natural endocannabinoids like anandamide (described above) in the body. Endocannabinoids are part of a complex messaging system in the body called the endocannabinoid system. The endocannabinoid system oversees or regulates parts of the nervous system, endorphins, immune system functions, hormones, mood and emotions, metabolism, and many other chemical messengers in the body.

Since the 1960’s, medical research has collected research supporting the safety of CBD. Typical doses of 10mg to 100mg a day show no negative effects. Even one study where patients took 1,280 mg a day did not see a problem. The director of the National Institute of Drug Abuse has stated that CBD oil is safe, and recently the FDA approved CBD oil for use in children with epilepsy. 
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