Alex Berenson, a science fiction author and former New York Times reporter, has written a book that would make Harry Anslinger blush. Anslinger, of course, was the longtime Federal Bureau of Narcotics director who waged a salacious, racially-charged sleaze campaign against marijuana, “the devil’s weed” that turned people into psychotic killers.
Our moods are affected by our environment, life situations, genetics, and brain activity. Some individuals are simply happier than others, and research on CB1 (cannabinoid) receptor genes gives us some clues to why that happens.  However, even though some are seemingy genetically destined to find and maintain happiness easier, other variables in life cannot be minimized.