A period that's 3 days late usually has a simple explanation. Learn the most common reasons, from stress to illness, and when it's worth checking in with a doctor.
Coughing up blood can range from minor irritation to a serious condition. Learn what causes it, when to seek care, and how doctors diagnose and treat it.
Discolored or thickened toenails don't always mean fungus. Learn what the signs actually look like and why a proper diagnosis matters for effective treatment.