AIDS, ARC, HIV positive | Emphysema/COPD | Liver Failure | Alcoholism | Epilepsy/Seizure Lupus |ALS (Lou Gehrig's Disease) | Gastric Bypass/Lap Band | Melanoma | Atrial Fibrillation Heart Attack |Multiple Sclerosis (MS) Barrett's | Esophagus Heart Disease | Parkinson's Disease | Bipolar Disease | Heart Failure | Peripheral Artery (PAD)/Vascular Disease (PVD) | Cancer (except certain skin cancers) | Heart Valve Replacement | Rheumatoid Arthritis (RA) Chron's Disease | Hepatitis B | Sleep Apnea | Diabetes | Hepatitis C (active) | Stroke/Transient Ischemic Attack (TIA) | Drug Abuse | Kidney Disease Ulcerative Colitis (UCI)