Controlling Your Dopamine For Motivation, Focus & Satisfaction.  A "Dopamine Masterclass" from Dr. Andrew Huberman; this is information that should be taught to everyone during their formative school years because of how powerful this chemical is in affecting one's behavior, including motivation, focus, drive, as well as avoiding and combating addiction and depression. 

Huberman Lab Library.  Andrew Huberman is an American neuroscientist and tenured associate professor in the department of neurobiology and psychiatry and behavioral sciences at Stanford University School of Medicine.  His podcasts are science based discussions of a wide range health and well-being topics, including diet and nutrition as well as their link to mental health, hormones, caffeine, alcohol, testosterone, exercise, improving focus.

The Truth About the Marijuana Industry and the Terrifying Effects of High-Potency THC. The marijuana industry is now akin to Big Pharma and has resulted in "...30 cases of THC-induced psychosis for every amphetamine case."

Dr. Stan Ekberg.  An Olympic decathlete who became a holistic doctor explains science based health topics related to diet and nutrition in an easy-to-follow manner; you will find with each video you learn something you never thought you would based solely on the title of the video.  Includes how to reverse obesity, diabetes, dementia, fatty liver, toxic kidneys, and more, such as blaming heart attacks on cholesterol is like blaming a house fire on the fire-fighters that show up to fight the fire.