A collection of organizations providing health information arranged by topic. Also available in alphabetical order.
Safety
- American Red Cross
- Consumer Product Safety Commission
- Emergency Nurses Association
- National Safety Council
Salivary Gland Cancer
- American Academy of Otolaryngology--Head and Neck Surgery
- American Cancer Society
- National Cancer Institute
- National Institute of Dental and Craniofacial Research
Salivary Gland Disorders
- American Academy of Otolaryngology--Head and Neck Surgery
- National Institute of Dental and Craniofacial Research
Salmonella Infections
Sarcoidosis
- American Lung Association
- Arthritis Foundation
- Foundation for Sarcoidosis Research
- National Heart, Lung, and Blood Institute
Scabies
- American Academy of Dermatology
- Centers for Disease Control and Prevention
- National Institute of Allergy and Infectious Diseases
Scars
- American Academy of Dermatology
- American Society for Dermatologic Surgery
- American Society of Plastic Surgeons
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Schizophrenia
School Health
- American Academy of Pediatrics
- KidsHealth (Nemours Foundation)
Sciatica
- American Academy of Orthopaedic Surgeons
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Scleroderma
- American College of Rheumatology
- Arthritis Foundation
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- Scleroderma Foundation
- Scleroderma Research Foundation
Scoliosis
- American Academy of Orthopaedic Surgeons
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- Scoliosis Research Society
Seasonal Affective Disorder
Secondhand Smoke
- American Cancer Society
- American Lung Association
- Centers for Disease Control and Prevention
- National Cancer Institute
Seizures
- American Epilepsy Society
- Epilepsy Foundation
- National Institute of Neurological Disorders and Stroke
Self-Harm
Sepsis
- National Institute of Allergy and Infectious Diseases
- National Institute of General Medical Sciences
- Society of Critical Care Medicine
Sexual Assault
- Centers for Disease Control and Prevention
- Department of Justice, Office on Violence Against Women
- National Center for PTSD
Sexual Health
Sexual Problems in Women
- American College of Obstetricians and Gynecologists
- Department of Health and Human Services, Office on Women's Health
Sexually Transmitted Diseases
Shingles
- American Academy of Dermatology
- National Institute of Allergy and Infectious Diseases
- National Institute of Neurological Disorders and Stroke
Shock
Shoulder Injuries and Disorders
- American Academy of Orthopaedic Surgeons
- American Society of Hand Therapists
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Sickle Cell Disease
- National Heart, Lung, and Blood Institute
- Sickle Cell Disease Association of America
- Sickle Cell Information Center (Georgia Comprehensive Sickle Cell Center at Grady Health System)
Sinusitis
- American Academy of Allergy, Asthma, and Immunology
- American Academy of Otolaryngology--Head and Neck Surgery
- American Rhinologic Society
- National Institute of Allergy and Infectious Diseases
Sjogren's Syndrome
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- National Institute of Dental and Craniofacial Research
- National Institute of Neurological Disorders and Stroke
- Sjogren's Syndrome Foundation
Skin Aging
- American Academy of Dermatology
- American Society for Dermatologic Surgery
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- National Institute on Aging
Skin Cancer
- American Academy of Dermatology
- American Cancer Society
- National Cancer Institute
- Skin Cancer Foundation
Skin Conditions
- American Academy of Dermatology
- American Osteopathic College of Dermatology
- American Society for Dermatologic Surgery
- Foundation for Ichthyosis & Related Skin Types
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Skin Infections
Skin Pigmentation Disorders
- American Academy of Dermatology
- American Osteopathic College of Dermatology
- American Society for Dermatologic Surgery
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Sleep Apnea
- American Sleep Apnea Association
- National Center on Sleep Disorders Research
- National Heart, Lung, and Blood Institute
- National Institute of Neurological Disorders and Stroke
Sleep Disorders
- American Academy of Sleep Medicine
- American Sleep Association
- National Center on Sleep Disorders Research
- National Heart, Lung, and Blood Institute
Small Intestine Disorders
- American College of Gastroenterology
- National Institute of Diabetes and Digestive and Kidney Diseases
Smallpox
- Centers for Disease Control and Prevention
- National Institute of Allergy and Infectious Diseases
- World Health Organization
Smokeless Tobacco
- American Cancer Society
- Campaign for Tobacco-Free Kids
- National Cancer Institute
- National Institute of Dental and Craniofacial Research
Smoking
Smoking and Youth
Snoring
- American Academy of Dental Sleep Medicine
- American Academy of Otolaryngology--Head and Neck Surgery
- American Sleep Apnea Association
Sodium
- Academy of Nutrition and Dietetics
- Center for Nutrition Policy and Promotion
- Food and Drug Administration
- Food and Nutrition Information Center
- Food and Nutrition Service
- National Heart, Lung, and Blood Institute
Soft Tissue Sarcoma
- American Cancer Society
- CureSearch for Children's Cancer
- National Cancer Institute
- Sarcoma Foundation of America
Sore Throat
- American Academy of Otolaryngology--Head and Neck Surgery
- National Institute on Deafness and Other Communication Disorders
Speech and Communication Disorders
Speech and Language Problems in Children
- Childhood Apraxia of Speech Association of North America
- National Institute on Deafness and Other Communication Disorders
Spider Bites
Spina Bifida
- Eunice Kennedy Shriver National Institute of Child Health and Human Development
- March of Dimes Birth Defects Foundation
- National Institute of Neurological Disorders and Stroke
- Spina Bifida Association of America
Spinal Cord Diseases
- National Institute of Neurological Disorders and Stroke
- North American Spine Society
- Siegel Rare Neuroimmune Association
Spinal Cord Injuries
- FacingDisability.com (Hill Foundation for Families Living with Disabilities)
- National Institute of Neurological Disorders and Stroke
- Paralyzed Veterans of America
- Spinal Cord Injury Model System Information Network (University of Alabama at Birmingham)
Spinal Muscular Atrophy
- Cure SMA
- Kennedy's Disease Association
- Muscular Dystrophy Association
- National Institute of Neurological Disorders and Stroke
- Spinal Muscular Atrophy Foundation
Spinal Stenosis
- American Academy of Orthopaedic Surgeons
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- North American Spine Society
Spine Injuries and Disorders
- American Academy of Orthopaedic Surgeons
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- North American Spine Society
Spleen Diseases
Sports Fitness
- American College of Sports Medicine
- American Medical Society for Sports Medicine
- American Orthopaedic Society for Sports Medicine
- National Athletic Trainers' Association
- National Center on Health, Physical Activity and Disability
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Sports Injuries
- American Academy of Orthopaedic Surgeons
- American Academy of Podiatric Sports Medicine
- American College of Sports Medicine
- American Medical Society for Sports Medicine
- American Orthopaedic Society for Sports Medicine
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Sports Safety
- American Academy of Orthopaedic Surgeons
- American College of Sports Medicine
- American Orthopaedic Society for Sports Medicine
- U.S. Anti-Doping Agency
Sprains and Strains
- American Academy of Orthopaedic Surgeons
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Staphylococcal Infections
Statins
Stem Cells
Steroids
Stillbirth
- Eunice Kennedy Shriver National Institute of Child Health and Human Development
- First Candle/SIDS Alliance
- March of Dimes Birth Defects Foundation
Stomach Cancer
- American Cancer Society
- National Cancer Institute
- Society of American Gastrointestinal and Endoscopic Surgeons
Stomach Disorders
- American College of Gastroenterology
- American Gastroenterological Association
- American Society for Gastrointestinal Endoscopy
- International Foundation for Gastrointestinal Disorders
- National Institute of Diabetes and Digestive and Kidney Diseases
- Society of American Gastrointestinal and Endoscopic Surgeons
Streptococcal Infections
Stress
Stroke
- American Heart Association
- American Stroke Association
- Children's Hemiplegia and Stroke Association
- National Institute of Neurological Disorders and Stroke
- Society for Neuroscience
Stroke Rehabilitation
Stuttering
- American Board of Fluency and Fluency Disorders
- National Institute on Deafness and Other Communication Disorders
- National Stuttering Association
- Stuttering Foundation of America
Sudden Cardiac Arrest
- American Heart Association
- Heart Rhythm Society
- National Heart, Lung, and Blood Institute
- Sudden Arrhythmia Death Syndromes (SADS) Foundation
Sudden Infant Death Syndrome
- American Academy of Pediatrics
- Eunice Kennedy Shriver National Institute of Child Health and Human Development
- First Candle/SIDS Alliance
Suicide
- American Association of Suicidology
- National Institute of Mental Health
- Suicide Awareness Voices of Education
Sun Exposure
- American Academy of Dermatology
- Centers for Disease Control and Prevention
- Environmental Protection Agency
Surgery
- Accreditation Association for Ambulatory Health Care
- American Academy of Orthopaedic Surgeons
- American Board of Surgery
- American College of Surgeons
- American Pediatric Surgical Association
- American Society for Laser Medicine and Surgery
- American Society of Colon and Rectal Surgeons
- National Institutes of Health, Clinical Center
- Society for Ambulatory Anesthesia
- Society of American Gastrointestinal and Endoscopic Surgeons
- Society of Interventional Radiology
- Society of Laparoendoscopic Surgeons
Swallowing Disorders
- American Academy of Otolaryngology--Head and Neck Surgery
- National Institute on Deafness and Other Communication Disorders
Sweat
- American Academy of Dermatology
- National Institute of Arthritis and Musculoskeletal and Skin Diseases