Harvard Health Blog

Of course, observing safe driving habits is a common-sense practice that can help you avoid injury, but these driving guidelines can help protect your brain as well.

Prolonged periods of hot and humid weather increase the chance of a heat related illness, and you are at higher risk if you are older or spend time exerting yourself outdoors. Take precautions and be sure to hydrate wisely.

The prefrontal cortex does not fully develop until the mid-20s, which makes teenagers’ brains excellent at learning and absorbing new information, but it also makes them vulnerable to experimentation and the potential for substance use disorders.

Researchers found that teenagers who engaged in high-frequency use of various digital media activities were more likely to have symptoms of ADHD. While this is not conclusive, it raises questions about whether too much smartphone use can affect teens’ development and behavior.

Tumors that spread, or metastasize, in the body shed cells into blood that doctors can scrutinize for insights into what a patient’s cancer might do. Analyzing these so-called circulating tumor cells (CTCs) isn’t part of routine care yet, in part because they’re so hard to pick out of the millions of normal cells in a […]