Acne Acid Reflux Acne Alzheimer's Disease ANEMIA Angina Anxiety Appendicitis Asthma Athlete's Foot Benign Prostatic Hyperplasia (BPH) Chronic Fatigue Syndrome Cirrhosis Common Cold Constipation Depression Diabetes (Type 1) Diabetes (Type 2) Ear Infection Eczema Erectile Dysfunction Fever Flu Gallstones Goiter Hair Loss Headache Hearing Loss Heartburn Height Problem Hepatitis A Hepatitis B Hepatitis C High Blood Pressure High Cholestero Level High Cholesterol Hodgkin's Disease Insomnia Kidney Stones Leukaemia Malaria Measles Migraine Non-Hodgkin's Lymphoma Osteoarthritis Osteoporosis Peptic Ulcer Prostatitis Rheumatoid Arthritis Skin Cancer Sore Throat Stomach Cancer Strep Throat Testicular Cancer Tonsillitis Tuberculosis Urinary Tract Infection Acne is an extremely common skin condition with a prevalence of 80% in female and 90% in male teenagers. But it can occur at any age. A growing number of adults are being diagnosed with adult acne.