Why does hair turn grey? 
Why does hair turn grey?
Scientists have discovered a gene that might be the reason why hair turns grey.
Marijuana use may cause alcohol dependency 
Marijuana use may cause alcohol dependency
Study shows that cannabis users are five times more likely to develop an alcohol addiction than those who do not smoke.
Are smiles really contagious? 
Are smiles really contagious?
A recent study finds that when we see an expression on another person’s face we automatically mimic them.
Cannabis and alcohol use go hand in hand 
Cannabis and alcohol use go hand in hand
A new study reveals a troubling link between marijuana use and alcohol consumption.
Are annual physicals really necessary? 
Are annual physicals really necessary?
Experts say routine check-ups are not only good for your health, but also good for building patient-doctor relationships.
Instagram reveals link between geography and diet 
Instagram reveals link between geography and diet
Posts on the popular social media site show that people living near grocery stores make healthier food choices than those living in “food deserts.”
Eating chocolate may boost your brain power 
Eating chocolate may boost your brain power
A new study suggests that this sweet treat may improve cognitive function. But experts caution not to overdo it.