What weed really does to your brain, according to hundreds of thousands of scans

Americans are high on marijuana, literally: 88% of U.S. adults believe recreational or medical marijuana use should be legal, according to a 2024 Pew Research Center poll.Over the past two decades, 24 states plus the District of Columbia and Guam have legalized marijuana for recreational use. That means marijuana smokers can smoke more openly than ever before on 4/20—a date that both marijuana smokers and non-smokers recognize as a national holiday for cannabis culture. Yet few actually know how

Dr. Deron Caplan shares four scientifically proven tips for growing cannabis