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  1. Seabather's Eruption
  2. Seasonal Affective Disorder (SAD)
  3. Seasonal Affective Disorder: Using Light Therapy
  4. Seated Exercises for Older Adults (video)
  5. Seborrheic Keratoses
  6. Secondary Adrenocortical Insufficiency
  7. Secondary High Blood Pressure
  8. Second-Trimester Exams and Tests
  9. Sedation
  10. Sedimentation Rate (Sed Rate) - Medical Test
  11. See Yourself as a Nonsmoker (video)
  12. Seizure Medicine Levels in Blood Test - Medical Test
  13. Seizures
  14. Selected Vegetables/Sun's Soup (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  15. Selected Vegetables/Sun's Soup (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  16. Selective Dorsal Rhizotomy
  17. Self-Care After a Stroke
  18. Self-Care for AIDS Caregivers
  19. Self-Care Supplies
  20. Self-Esteem, Ages 6 to 10
  21. Self-Examination for Dental Plaque - Medical Test
  22. Self-Massage
  23. Self-Test for Anxiety
  24. Self-Test for Breath Alcohol - Medical Test
  25. Semen Analysis - Medical Test
  26. Senior Health
  27. Sensory and Motor Development, Ages 1 to 12 Months
  28. Sensory and Motor Development, Ages 12 to 24 Months
  29. Sensory and Motor Development Ages 6 to 10 Years
  30. Sensory and Motor Growth in Newborns
  31. Sensory Processing Disorder
  32. Sensual Exercises for Erection Problems
  33. Sentinel Lymph Node Biopsy - Medical Test
  34. Separation Anxiety: Helping Your Child
  35. Sepsis (Septic Shock)
  36. Serotonin Syndrome
  37. Serum Osmolality Test - Medical Test
  38. Serum Protein Electrophoresis (SPEP) Test - Medical Test
  39. Setting Goals
  40. Severe Acute Respiratory Syndrome (SARS)
  41. Severity of Back Injuries
  42. Sex After Childbirth
  43. Sex and Your Heart
  44. Sex During Pregnancy
  45. Sex Therapy for Erection Problems
  46. Sex Therapy for Sexual Problems in Women
  47. Sexual Abuse or Assault (Rape)
  48. Sexual Abuse: Signs and Symptoms
  49. Sexual and Reproductive Organs
  50. Sexual Health
  51. Sexual Orientation
  52. Sexual Problems: How to Talk With Your Partner
  53. Sexuality and Physical Changes With Aging
  54. Sexuality While Breastfeeding
  55. Sexually Transmitted Infection Screening
  56. Sexually Transmitted Infections
  57. Sexually Transmitted Infections: How a Male Genital Exam Is Done
  58. Sexually Transmitted Infections: Symptoms in Women
  59. Sexually Transmitted Infections: Treatment
  1. Spasticity
  2. Special Diets for Epilepsy
  3. SPECT Image of the Heart
  4. Speech and Language Delays: Common Misconceptions
  5. Speech and Language Development
  6. Speech and Language Development: Helping Your 1- to 2-Year-Old
  7. Speech and Language Development: Signs of Possible Problems
  8. Speech and Language Milestones, Ages 1 to 3 Years
  9. Speech and Language Milestones, Ages 3 to 5 Years
  10. Speech and Language Milestones, Birth to 1 Year
  11. Speech Problems: Normal Disfluency
  12. Sperm Penetration Tests - Medical Test
  13. Spermatocele (Epididymal Cyst)
  14. Spermicide for Birth Control
  15. Spina Bifida
  16. Spinal and Epidural Anesthesia
  17. Spinal and Epidural Pain Relief for Childbirth
  18. Spinal Cord Injury: Abdominal Thrust Assist (Assisted Cough)
  19. Spinal Cord Injury: Adapting Your Home
  20. Spinal Cord Injury: Autonomic Dysreflexia
  21. Spinal Cord Injury: Breathing Practice
  22. Spinal Cord Injury: Costophrenic Assist (Assisted Cough)
  23. Spinal Cord Injury: Finding a Rehab Center
  24. Spinal Cord Injury: Flexibility Exercises
  25. Spinal Cord Injury: Safe Transfers To or From a Wheelchair
  26. Spinal Cord Injury: Self-Assisted Cough
  27. Spinal Cord Injury: Sensual Exercises
  28. Spinal Cord Injury: Talking With Your Partner About Sex
  29. Spinal Cord Injury: Your Rehabilitation Team
  30. Spinal Curves in Scoliosis
  31. Spinal Decompression for Neck Pain
  32. Spinal Fusion for Scoliosis
  33. Spinal Manipulation
  34. Spinal Stenosis: Home Treatment and Physical Therapy (video)
  35. Spinal Stenosis Surgery: How Others Decided (video)
  36. Spinal Tap (Lumbar Puncture) - Medical Test
  37. Spinal X-Ray - Medical Test
  38. Spirituality and Your Health
  39. Spirituality in Cancer Care (PDQ®): Supportive care - Health Professional Information [NCI]
  40. Spirituality in Cancer Care (PDQ®): Supportive care - Patient Information [NCI]
  41. Spirometry Tests for Children (video)
  42. Spitting Up
  43. Splenectomy
  44. Splint Care Tips
  45. Splinting
  46. Spondyloarthropathies
  47. Spondylolisthesis
  48. Spondylolysis and Spondylolisthesis
  49. Sponge Bath for a Child's Fever
  50. Sports Hernia
  51. Sports-Related Dehydration
  52. Sprained Ankle: Rehabilitation Exercises
  53. Sprained Ankle: Using a Compression Wrap
  54. Sputum Culture - Medical Test
  55. Sputum Cytology - Medical Test
  1. St. John's Wort
  2. Stages of Chronic Kidney Disease
  3. Stages of Lyme Disease
  4. Stages of Sleep
  5. Stages of Sleep Apnea
  6. Stages of Syphilis
  7. Stan's Story: Getting There Hasn't Been Easy
  8. Staph Food Poisoning
  9. Staph Infection
  10. Starting Antidepressants: How to Care for Your Child
  11. Starting Medicines for ADHD: How to Care for Your Child
  12. Statins
  13. Statins Are Important After a Heart Attack (video)
  14. Statins: Overcoming Barriers to Taking Them (video)
  15. Statins: Should I Take Them to Prevent a Heart Attack or Stroke?
  16. Statins: Should You Take Them to Lower Your Risk? (video)
  17. Staying Active as a Family
  18. Staying Aware of What Your Child Is Doing Online
  19. Staying Healthy Around Animals
  20. Staying Safe: After You Leave a Violent Relationship
  21. Staying Safe: If You Are in a Violent Relationship
  22. Staying Safe When You Take Several Medicines
  23. Staying With Your Eating Plan When Your Schedule Shifts
  24. Stem Cell Donation
  25. Stem Cell Transplant: Before Your Procedure (video)
  26. Stem Cell Transplant for Sickle Cell Disease
  27. Stem Cell Transplant: Returning Home (video)
  28. Steroid Medicine for Asthma: Myths and Facts
  29. Steroid-Induced Osteoporosis
  30. Steve's Story: Coping With Arthritis
  31. STI Testing: Should I Get Tested for a Sexually Transmitted Infection?
  32. Stillbirth
  33. Stimulate Your Baby's Learning
  34. Stomach (Gastric) Cancer Causes and Risk Factors: Prevention - Patient Information [NCI]
  35. Stomach (Gastric) Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  36. Stomach (Gastric) Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
  37. Stomach (Gastric) Cancer Screening: Screening - Patient Information [NCI]
  38. Stool Analysis - Medical Test
  39. Stool Culture - Medical Test
  40. Stool Tests for Colorectal Cancer - Medical Test
  41. Stop Negative Thoughts: Choosing a Healthier Way of Thinking
  42. Stop Negative Thoughts: Getting Started With Thought Reframing
  43. Stopping a Nosebleed
  44. Stopping Facial Bleeding
  45. Stopping Medicine for Epilepsy
  46. Stories From People Controlling Their Asthma (video)
  47. Stories From People Recovering From Depression (video)
  48. Stories From People With New Depression (video)
  49. Stories From People With Recurring Depression (video)
  50. Storing Breast Milk
  51. Storing Insulin and Prefilling Syringes
  52. Strabismus
  53. Strep Test for Children (video)
  54. Strep Throat
  55. Strep Throat Complications
  56. Stress and Back Pain
  57. Stress and Coping: Mindfulness Can Help (video)
  58. Stress Echocardiogram - Medical Test
  59. Stress in Children and Teens
  60. Stress Incontinence
  61. Stress Incontinence in Men
  62. Stress Incontinence in Women: Should I Have Surgery?
  63. Stress Management
  64. Stress Management: Breathing Exercises
  65. Stress Management: Breathing Exercises for Relaxation
  66. Stress Management: Doing Guided Imagery to Relax
  67. Stress Management: Doing Meditation
  68. Stress Management: Doing Progressive Muscle Relaxation
  69. Stress Management: Helping Your Child With Stress
  70. Stress Management: Imagery Exercises
  71. Stress Management: Managing Your Time
  72. Stress Management: Practicing Yoga to Relax
  73. Stress Management: Relaxing Your Mind and Body
  74. Stress Management: Using Yoga to Relax (video)
  75. Stress Relief and Relaxation
  76. Stroke
  77. Stroke: Behavior Changes
  78. Stroke: Bladder and Bowel Problems
  79. Stroke: Changes in Emotions
  80. Stroke: Common Problems
  81. Stroke: Dealing With Depression
  82. Stroke: Fast facts (video)
  83. Stroke: Getting Dressed
  84. Stroke: How to Prevent Another One
  85. Stroke: Know the Signs and BE FAST (video)
  86. Stroke: Memory Tips
  87. Stroke: Perception Changes
  88. Stroke: Preventing Injury in Affected Limbs
  89. Stroke Prevention: Should I Have a Carotid Artery Procedure?
  90. Stroke: Problems With Ignoring the Affected Side
  91. Stroke Recovery: Coping With Eating Problems
  92. Stroke Recovery: Finding What Inspires You (video)
  93. Stroke Recovery: Using Support to Stay Positive (video)
  94. Stroke Rehabilitation
  95. Stroke: Speech and Language Problems
  96. Stroke: Understanding the Symptoms (video)
  97. Stroke: Understanding Your Emotions (video)
  98. Stroke: What Is Stroke Rehab? (video)
  99. Stroke: What's Your Risk? (video)
  100. Stroke: Your Rehabilitation Team
  101. Stuttering
  102. Styes and Chalazia
  1. Subacromial Smoothing and Acromioplasty for Rotator Cuff Disorders
  2. Subchorionic Hemorrhage
  3. Subclinical Hyperthyroidism
  4. Subclinical Hypothyroidism
  5. Substance Use and Mental Health Conditions
  6. Substance Use Disorder
  7. Substance Use Disorder: Dealing With Teen Substance Use
  8. Substance Use Disorder: Treatment Options (video)
  9. Substance Use Disorders in Older Adults
  10. Substance Use: Helping Someone Get Treatment
  11. Substance Use Problems
  12. Substance Use: Staying Alcohol- or Drug-Free After Treatment
  13. Sudden Changes in Vision
  14. Sudden Heart Failure
  15. Sudden Infant Death Syndrome (SIDS)
  16. Sugar Alcohols
  17. Suicidal Thoughts or Threats
  18. Suicide Threats: What to Do
  19. Sun Protection to Prevent Sunburn
  20. Sunburn
  21. Sunburn: Skin Types
  22. Support for Staying Active
  23. Support Groups and Social Support
  24. Supporting a Child Who Has a Mental Health Condition
  25. Supporting Someone After Inpatient Mental Health Treatment
  26. Supporting Someone During Inpatient Mental Health Treatment
  27. Supporting Someone Who Has an Eating Disorder
  28. Supporting Someone Who Takes Medicines for a Mental Health Condition
  29. Suprapubic Catheter Care
  30. Supraventricular Tachycardia
  31. Supraventricular Tachycardia: Should I Have Catheter Ablation?
  32. Surgery for an Achilles Tendon Rupture
  33. Surgery for Chronic Pelvic Pain
  34. Surgery for Glaucoma and a Cataract
  35. Surgery for Ovarian Cysts
  36. Surgery for Tennis Elbow
  37. Surgery: Questions to Ask the Doctor
  38. Surgery: What to Expect
  39. Surgical Nail Removal for Fungal Nail Infections
  40. Surgical Removal of Genital Warts by Excision
  41. Susan's Story: A Friend Really Helps