About one in 87 U.S. women will develop ovarian cancer in their lifetime, the most lethal cancer affecting the female reproductive system.

At least 70 million people globally live with dysautonomia, an umbrella term for medical conditions affecting the autonomic nervous system.

Roughly one-quarter of men and 3 percent of women will develop the most common type of hernia that occurs in the groin area.

About 30 percent of Americans notice eye floaters, the flecks, cobwebs, or squiggly shadows drifting across one’s visual field.

Affecting about 15 percent of U.S. couples, infertility is a complex condition with many possible causative factors—and rates appear to be on the rise.

About 5 percent of American adults experience seasonal affective disorder, typically in the fall and winter months.

Distinct from dizziness, vertigo is the sensation of movement or spinning despite nothing moving. It affects up to 10 percent of people at least once.

As the 10th most common cancer in the United States, leukemia will affect up to 2 percent of Americans at some point in their lifetime.

Affecting about 10 percent of the U.S. population, plantar fasciitis involves pain in the thick band of tissue that runs from the toes to the heel.

Affecting over 600,000 people in the United States, Ménière’s disease is characterized by vertigo, pressure in the ear, tinnitus, and hearing loss.