Adding magnets to football helmets could reduce the risk of concussions, new research suggests. When two players collide, the magnets in their helmets would repel each other, reducing the force of the collision. “All helmet design companies and manufacturers have the same approach, which is to try

I itch. Constantly. Evenings tend to be the worst. But then, mornings are pretty bad too. I have atopic dermatitis, commonly known as eczema. The symptoms include very dry, scaly skin in the creases of the elbows, the backs of the knees, and on the hands and face, accompanied by terrible itching.

Long-term marijuana use may cause structural changes in the brain, researchers report November 10 in the Proceedings of the National Academy of Sciences. Among 48 users and 62 nonusers, the marijuana users’ brains had lower volume of gray matter and more connectivity in white matter, the tissue

One of the challenges with treating psychiatric disorders is finding a way to study them outside of the human brain. When there is no fundamental understanding of how a disease works, it becomes that much harder to find comparable symptoms in an animal or cell. And when you’re working with diseases

A soundly sleeping brain still monitors and responds to its surroundings, researchers report September 11 in Current Biology. The results, in which a person’s snoozing brain correctly sorts words into categories, represent the latest feat the brain achieves while sleeping (SN: 12/29/12).