One of the most cliché-but-true bits of fashion advice is this: have at least one comfortable pair of flats. Heels are fun and all, but there's no getting past the need for flats when your typical day ...

Flat warts are small, smooth, and usually appear in clusters. Flat warts are caused by HPV, the human papillomavirus. Over-the-counter wart removers with salicylic acid can help remove flat warts.

Flat affect is when someone can't show their emotions properly due to various conditions. Flat affect is a symptom, not a condition, and its treatment varies by cause. People with conditions like ...