For many, running is a passion, an escape, and a fantastic way to stay fit. However, for some, it comes with an unwelcome guest: the black toenail. While not usually serious, it can be painful and ...

An average person, running or walking, takes about 2,000 steps per mile. Often, especially when running, the impact is much more than just body weight because of the momentum going forward. Typically ...

When Maria Delgado noticed a dark streak under her big toenail, she assumed it was from dropping her gym bag on her foot. Six months later, that seemingly innocent mark led to a diagnosis that saved ...

While most people are familiar with the appearance of healthy toenails — smooth, light pink, and evenly colored — changes in their look can sometimes raise concerns. When you notice spots, streaks, ...