Learn more about these abnormal areas sometimes seen incidentally during brain imaging.
If a breast biopsy reveals you have LCIS, your risk of breast cancer is increased. Learn how you can reduce your risk through medications and other strategies.
Extreme fatigue that can't be explained by an underlying medical condition.
Obsession with the idea of having a serious but undiagnosed medical condition.
A Mayo Clinic expert explains the risks of taking prescription oral erectile dysfunction (ED) medications without a medical need.
Calcium supplements can interfere with absorption of medications used to treat hypothyroidism.
In large amounts, calcium supplements may interfere with certain blood pressure medications.
See photos of fingernail conditions that warrant medical attention.
An unusually dry mouth, often caused by medication.
Stress, exercise, medication or, rarely, a medical condition can trigger the feeling of your heart fluttering or pounding rapidly.