Spending too much time in dimly lit rooms and offices may actually change the brain's structure and hurt one's ability to remember and learn, indicates groundbreaking research by Michigan State University neuroscientists.
The researchers studied the brains of Nile grass rats (which, like humans, are diurnal and sleep at night) after exposing them to dim and bright light for four weeks. The rodents exposed to dim light lost about 30 percent of capacity in the hippocampus, a critical brain region for learning and memory, and performed poorly on a spatial task they had trained on previously.Read the whole article
A bad night's sleep might mean a really bad day at the office the next day. A new study suggests lack of sleep or insomnia insomnia not only makes you cranky and irritable, it may also greatly affect your job satisfaction. Researchers found men and women who suffered from insomnia were more likely to say they disliked or even hated their...Read More
The health effects of marijuana are far from conclusive, as we reported. Now, a new study provides evidence that pot might be hurting your heart: Using marijuana can raise your risk of dying from hypertension, researchers from Georgia State University suggest. In the study, researchers surveyed over 1,200 participants on their...Read More
Popping certain heartburn drugs like they're candy might up your odds for stomach cancer, new research suggests. The risk was proportionate to how long and how often these drugs, called proton pump inhibitors (PPIs), were taken. That risk increased anywhere from two to eight times, the study authors said. Although the relative...Read More