Browse Health Topics Alphabetically

• SAD see Depression
• Safety (General)
• Salivary Gland Disorders
• Salmonella Infections
• Sarcoidosis

• SARS see Severe Acute Respiratory Syndrome
• Scabies see Sexually Transmitted Diseases
• Scarlet Fever see Streptococcal Infections
• Schizophrenia
• SCID see Immune System and Disorders

• Scleroderma
• Scoliosis
• Seasonal Affective Disorder see Depression
• Secondhand Smoke
• Seizures

• Senility see Dementia
• Seniors' Health (General)
• Septic Arthritis see Arthritis
• Severe Acute Respiratory Syndrome
• Severe Combined Immunodeficiency see Immune System and Disorders

• Sexual Health (General)
• Sexually Transmitted Diseases
• Shaking Palsy see Parkinson's Disease
• Shigella Infections see Foodborne Diseases
• Shingles (Herpes Zoster)

• Shoes see Foot Health
• Shortness of Breath see Breathing Problems
• Shoulder Injuries and Disorders
• Shy-Drager Syndrome see Low Blood Pressure
• Sickle Cell Anemia

• SIDA see AIDS
• SIDS see Sudden Infant Death Syndrome
• Sinusitis
• Sjogren's Syndrome
• Skin Cancer

• Skin Diseases (General)
• Skin Pigmentation Disorders
• Skull Injuries see Head and Brain Injuries
• Sleep Apnea see Sleep Disorders
• Sleep Disorders

• Small Eye Syndrome see Anophthalmia & Microphthalmia
• Small Intestine Cancer
• Smallpox
• Smelling Disorders see Taste and Smell Disorders
• Smokeless Tobacco

• Smoking
• Smoking and Youth
• Smoking Cessation
• Smoking in Pregnancy see Pregnancy and Substance Abuse
• Smoking, Passive see Secondhand Smoke

• Snuff see Smokeless Tobacco
• Social Phobia see Phobias
• Soft Tissue Sarcoma
• Spasmodic Torticollis see Dystonia
• Spasticity see Neuromuscular Disorders

• Speech & Communication Disorders
• Spider Bites see Bug-borne Diseases
• Spider Veins see Varicose Veins
• Spina Bifida
• Spinal Cord Diseases

• Spinal Cord Injuries
• Spinal Diseases
• Spinal Muscular Atrophy
• Spinal Stenosis
• Spit Tobacco see Smokeless Tobacco

• Sports Injuries
• Sprains and Strains
• Staphylococcal Infections
• STD see Sexually Transmitted Diseases
• Stem Cells/Stem Cell Transplantation

• Sterility see Infertility
• Sterilization see Birth Control/Contraception
• Stillbirth see Pregnancy Loss
• Still's Disease see Juvenile Rheumatoid Arthritis
• Stomach Cancer

• Stomach Disorders
• Stomach Ulcer see Peptic Ulcer
• Streptococcal Infections
• Stress
• Stroke

• Stuttering see Speech & Communication Disorders
• Substance Abuse in Pregnancy see Pregnancy and Substance Abuse
• Sudden Infant Death Syndrome
• Suicide
• Sun Exposure

• Sunburn see Sun Exposure
• Sunstroke see Heat Illness
• Surgery
• Swallowing Disorders see Dysphagia
• Swelling

• Syncope see Fainting
• Syndrome X see Angina
• Syphilis see Sexually Transmitted Diseases
• Syringomyelia
• Systemic Lupus Erythematosus see Lupus