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Health Topics: S
- SAD see Seasonal Affective Disorder
- Safety
- Safety, Child see Child Safety
- Salivary Gland Cancer
- Salivary Gland Disorders
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- Salmonella Infections
- Salt see Dietary Sodium
- Sarcoidosis
- Sarcoma, Ewing's see Bone Cancer
- Sarcoma, Soft Tissue see Soft Tissue Sarcoma
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- SARS see Severe Acute Respiratory Syndrome
- Scabies
- Scapula Injuries see Shoulder Injuries and Disorders
- Scarlet Fever see Streptococcal Infections
- Scars
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- Schizophrenia
- School Health
- Sciatica
- SCID see Immune System and Disorders
- Scleroderma
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- Scoliosis
- Screening Tests see Health Screening
- Screening, Newborn see Newborn Screening
- Seasickness see Motion Sickness
- Seasonal Affective Disorder
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- Second Opinion see Patient Rights; Surgery; Talking With Your Doctor
- Secondhand Smoke
- Seizures
- Selenium see Minerals
- Semen see Testicular Disorders
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- Seminoma see Testicular Cancer
- Senility see Dementia
- Seniors' Fitness see Exercise for Seniors
- Seniors' Health
- Seniors' Nutrition see Nutrition for Seniors
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- Sepsis
- Septic Arthritis see Infectious Arthritis
- Septic Shock see Sepsis; Shock
- Septic Systems see Water Pollution
- Septicemia see Sepsis
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- Severe Acute Respiratory Syndrome
- Severe Combined Immunodeficiency see Immune System and Disorders
- Sewage see Water Pollution
- Sex see Sexual Health
- Sexting see Internet Safety
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- Sexual Abuse of Children see Child Sexual Abuse
- Sexual Assault
- Sexual Health
- Sexual Health, Teen see Teen Sexual Health
- Sexual Problems in Men
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- Sexual Problems in Women
- Sexually Transmitted Diseases
- Shaken Baby Syndrome see Child Abuse
- Shaking Palsy see Parkinson's Disease
- Shingles
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- Shock
- Shoes see Foot Health
- Shortness of Breath see Breathing Problems
- Shoulder Impingement see Rotator Cuff Injuries
- Shoulder Injuries and Disorders
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- Shy-Drager Syndrome see Autonomic Nervous System Disorders; Low Blood Pressure
- Sickle Cell Anemia
- Sickle Cell Disease see Sickle Cell Anemia
- SIDS see Sudden Infant Death Syndrome
- Sigmoidoscopy see Colonoscopy
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- Sinus Infection see Sinusitis
- Sinusitis
- Sjogren's Syndrome
- Skin Aging
- Skin Cancer
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- Skin Conditions
- Skin Infections
- Skin Pigmentation Disorders
- Skin Rash see Rashes
- Skull Fractures see Head Injuries
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- Skull Injuries see Head Injuries
- SLE see Lupus
- Sleep Apnea
- Sleep Disorders
- Sleep-disordered breathing see Sleep Apnea
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- Slipped Disk see Herniated Disk
- SMA see Spinal Muscular Atrophy
- Small Cell Lung Cancer see Lung Cancer
- Small Intestine Cancer see Intestinal Cancer
- Small Intestine Disorders
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- Smallpox
- Smelling Disorders see Taste and Smell Disorders
- Smokeless Tobacco
- Smoking
- Smoking and Youth
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- Smoking Cessation see Quitting Smoking
- Smoking in Pregnancy see Pregnancy and Substance Abuse
- Smoking, Passive see Secondhand Smoke
- Snake Bites see Animal Bites
- Snoring
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- Snuff see Smokeless Tobacco
- Social Phobia see Phobias
- Sodium, Dietary see Dietary Sodium
- Soft Tissue Sarcoma
- Sonogram see Ultrasound
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- Sore Throat
- South American Trypanosomiasis see Chagas Disease
- Spasmodic Torticollis see Dystonia
- Spasticity see Neuromuscular Disorders
- Speech and Communication Disorders
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- Speech and Language Problems in Children
- Spider Bites
- Spider Veins see Varicose Veins
- Spina Bifida
- Spinal Cord Diseases
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- Spinal Cord Injuries
- Spinal Muscular Atrophy
- Spinal Stenosis
- Spine Injuries and Disorders
- Spit Tobacco see Smokeless Tobacco
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- Spleen Diseases
- Splenic Diseaess see Spleen Diseases
- Splenomegaly see Spleen Diseases
- Splinters see Foreign Bodies
- Spondylitis, Ankylosing see Ankylosing Spondylitis
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- Spondylolisthesis see Spine Injuries and Disorders
- Spontaneous Abortion see Miscarriage
- Sports Fitness
- Sports Injuries
- Sports Safety
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- Spouse Abuse see Domestic Violence
- Sprains and Strains
- Squint see Eye Movement Disorders
- SSRIs see Antidepressants
- Stammering see Stuttering
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- Staphylococcal Infections
- Statins
- Statistics see Health Statistics
- Staying Healthy see Healthy Living
- STD see Sexually Transmitted Diseases
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- Steele-Richardson-Olszewski Syndrome see Progressive Supranuclear Palsy
- Stein-Leventhal Syndrome see Polycystic Ovary Syndrome
- Stem Cell Transplantation see Stem Cells
- Stem Cells
- Stepfamilies see Family Issues
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- Sterility see Infertility
- Sterilization see Tubal Ligation; Vasectomy
- Steroids
- Steroids, Anabolic see Anabolic Steroids
- Still's Disease see Juvenile Rheumatoid Arthritis
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- Stillbirth
- Stoma see Ostomy
- Stomach Ache see Abdominal Pain; Stomach Disorders
- Stomach Cancer
- Stomach Disorders
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- Stomach Flu see Gastroenteritis
- Stomach Stapling see Weight Loss Surgery
- Stomach Ulcer see Peptic Ulcer
- Stool see Bowel Movement
- Strabismus see Eye Movement Disorders
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- Strep Throat see Streptococcal Infections
- Streptococcal Infections
- Streptococcus Pneumoniae Infections see Pneumococcal Infections
- Stress
- Stress Incontinence see Urinary Incontinence
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- Stroke
- Stroke Rehabilitation
- Stuttering
- Stye see Eyelid Disorders
- Substance Abuse see Alcoholism; Drug Abuse; Drugs and Young People
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- Substance Abuse in Pregnancy see Pregnancy and Substance Abuse
- Sudden Cardiac Death see Cardiac Arrest
- Sudden Infant Death Syndrome
- Sugar see Carbohydrates
- Sugar Diabetes see Diabetes; Diabetes Type 2
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- Sugar Substitutes see Carbohydrates
- Suicide
- Sun Exposure
- Sunburn see Sun Exposure
- Sunscreen see Sun Exposure
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- Sunstroke see Heat Illness
- Surgery
- Surgery, Plastic see Plastic and Cosmetic Surgery
- Swallowing Disorders
- Sweat
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- Sweeteners, Artificial see Carbohydrates
- Swimmer's Ear see Ear Infections
- Swine Flu see H1N1 Flu (Swine Flu)
- Swollen Glands see Lymphatic Diseases
- Syncope see Fainting
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- Syndrome X (Cardiac) see Angina
- Syndrome X (Metabolic) see Metabolic Syndrome
- Syphilis
- Syringomyelia
- Systemic Lupus Erythematosus see Lupus
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- Systemic Sclerosis see Scleroderma