Nail clubbing refers to changes under and around the toenails that cause your toes to take on a widened, club-like appearance.

True
False

It’s keratin that makes nails tough and resilient to daily wear/tear.

True
False

Nail-patella syndrome is a rare condition that affects an estimated one in 20,000 people.

True
False.

About 5 percent of people are affected by nail fungus.

True
False

Nail fungus, or onychomycosis, is a common condition.

True
False​