H
- Headache
- Heart Attack (Myocardial Infarction)
- Heart Disease
- Heart Failure
- Heart Palpitations
- Heart Valve Disease
- Hepatitis
- Hereditary Breast Cancer Ovarian Syndrome
- Hernia
- High-Risk Pregnancy
- High Cholesterol
- Hodgkin's Lymphoma
- Huntington's Disease
- Hypertension/High Blood Pressure
- Hyperparathyroidism
- Hypoplastic Left Heart Syndrome