Concussions are more than just a blow to the head. They can have serious short- and long-term effects.

Concussions have been linked to long-term brain damage, but a new study found that smaller impacts to the head may also lead to harm over time.

Occasionally, an athlete chooses to take on the track with nude feet. Barefoot running clubs are springing up all over the country. Whether this is advantageous or not is a point to debate for podiatrists.