What 5 popular drugs including weed and booze do to your body and brain
We know alcohol and marijuana make us experience the world around us in very different ways, but what exactly are these drugs doing to prompt these feelings?
What causes addiction?
What causes addiction? Easy, right? Drugs cause addiction. But maybe it is not that simple. Kurzgesagt takes a closer look at some of the other factors involved.
How Messing With Our Body Clocks Can Raise Alarms With Health
The scientists honored with a Nobel Prize in medicine helped discover that every cell in the body has its own clock. When we ignore those clocks, we increase the risk of weight gain and diabetes.
The brain starts to eat itself after chronic sleep deprivation
Sleep loss in mice sends the brain’s immune cells into overdrive. This might be helpful in the short term, but could increase the risk of dementia in the long run
Your Body Does Incredible Things When You Aren't Awake
Sleep is anything but a waste of time. While many people think of catching Zzs as the body "shutting off" until morning, nodding off actually activates a...
10 Things We Know (As In, Actually Have Published Evidence For) About Cannabis And Health
From THC to CBD, we don't know much about health effects of cannabis, but a senior nutrition scientist sums up what we do know: It's looking like neither a demon nor a panacea.
Shaq Attacks Sleep Apnea
This video is one in a series that explains the diagnosis and treatment of sleep apnea. For more information, visit www.understandingsleep.org Like Harvard M...