The defining feature of fibromyalgia is widespread pain. It is more common in women than men, who may experience this and other symptoms differently. Women also tend to have more symptoms, including bowel irritation, and heavy, painful menstruation. Learn about fibromyalgia and symptoms specific to women here.

Instead of becoming trapped under the skin, an ingrown eyelash may grow in the wrong direction, toward the eye. This is called trichiasis, and it can cause irritation, pain, and damage to the cornea. Injury, inflammation, or certain conditions may be responsible. Medical treatment is often necessary. Learn more here.

A new study finds a strong link between low total testosterone and chronic diseases in men of all ages, especially in the under-40 and 60-plus age groups.