As men age, their testosterone levels stay high until age 70 or so, prompting their eyebrows — and ear and nose hair, too — to grow longer and longer.
Cancer malignancies are uncontrolled growths that spread. Learn how cancers form, the signs and symptoms of cancer and how cancers are treated.
Cerebral palsy is caused by brain damage that leads to muscle weakness and problems walking. But with support, people with cerebral palsy can lead relatively normal, functioning lives.
The study found the highest rates of C-sections in Florida, New Jersey and Texas, and the lowest in Utah, Wisconsin and Colorado.
Though they are closely related to cows, their brains have evolved along the same lines as primates.
A vaccine against cocaine seems to stop the drug from entering the brain and making the user high, a new study suggests.
Cheetahs can "switch gears" as their speed increases — taking more strides per second at higher speeds.