If you buy something via one of our links, we may earn a commission. For years, I lived in fear of the dreaded patchy beard. You know the look—that spotty, uneven growth that makes you feel like ...

It tends to lead to round or oval bald patches on the scalp, but it can affect any part of the body. When it involves the beard, doctors call it alopecia barbae. Fungi cause ringworm, which is a ...