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SAD (Seasonal Affective Disorder) Safe Food Handling Safe Hand and Wrist Movements Safe Use of Long-Acting Opioids Safer Sex Safety Around Irrigation Canals Safety Plan: Preparing to Leave a Violent Relationship Safety, Children Salivary Gland Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI] Salivary Gland Cancer Treatment (PDQ®): Treatment - Patient Information [NCI] Sally's Story: Avoiding Metabolic Syndrome Salmonellosis Salt Substitute Recipe Saltwater Washes (Nasal Saline Lavage or Irrigation) for Sinusitis SAM-e Sarah's Story: Dealing With the Emotions From COPD Sarcoidosis SARS (Severe Acute Respiratory Syndrome) Saw Palmetto Saying No to Alcohol and Drugs Scabies Scabies: Getting It From Animals Scabies: Using Medicines Scalp Problems Scarlet Fever Schizophrenia Schizophrenia and Pregnancy Schizophrenia and the Caregiver Schizophrenia: Encouraging Social Skills Schizophrenia: Encouraging Someone to Take the Medicines Schizophrenia: Helping Someone Who Is Hallucinating Schizophrenia: Helping Someone Who Is Paranoid Schizophrenia: Related Disorders Schizophrenia: Social Skills Training Schizophrenia: Warning Signs of Violence Schizophrenia: When Hospital Care is Needed Sciatica Scleral Buckling Surgery for Retinal Detachment Scleroderma Sclerotherapy for Varicose Veins Scoliosis In Adults Scoliosis in Children and Teens Scoliosis Screening Scoliosis Surgery: Anterior Approach Scoliosis Surgery: Posterior Approach Scoliosis, Back Brace for Scoliosis, Brace for Scoliosis, Orthotic Brace for Scoliosis, Spinal Fusion for Scoliosis: Should My Child Have Surgery? Scoliosis: Spinal Instrumentation Without Fusion Scoliosis: Wearing a Brace Scorpion Stings Scrapes Screening for Disease Screening for Gestational Diabetes Screening for Hearing Problems Screening for Weight Problems Screening Tests, Which do You Need? Sea Lice Seabather's Eruption Seafood Allergy Seasickness Seasonal Affective Disorder (SAD) Seasonal Affective Disorder: Using Light Therapy Seborrheic Keratoses Seborrheic Keratosis: Cryotherapy Seborrheic Keratosis: Curettage Seborrheic Keratosis: Electrocautery Treatment Seborrheic Keratosis: Laser Treatment Secondary Adrenocortical Insufficiency Secondary High Blood Pressure Second-Trimester Exams and Tests Seizure Medicines for Alcohol Withdrawal Seizure Medicines for Tension Headaches Seizures Seizures (Epilepsy) Selected Vegetables/Sun's Soup (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [ Selected Vegetables/Sun's Soup (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI] Selective Dorsal Rhizotomy Self Breast Exam (SBE) Self-Care After a Stroke Self-Care Checklist Self-Care for AIDS Caregivers Self-Care for Sjögren's Syndrome Self-Care Tools Self-Esteem, Ages 6 to 10 Self-esteem, Helping your child build Self-Hypnosis Self-Hypnosis for Stress Self-Massage Seminoma Testicular Cancer, Stage I, Deciding About Treatment Senile Keratosis Senior Health Sensory and Motor Development, Ages 1 to 12 Months Sensory and Motor Development, Ages 12 to 24 Months Sensory and Motor Growth in Newborns Sensual Exercises for Erection Problems Separated Shoulder Separation Protests: Helping Your Child Sepsis (Septic Shock) Septoplasty Serogroup B Meningococcal Vaccine (MenB): What You Need to Know Serotonin Syndrome Setting Goals Setting Weight-Loss Goals Severe Acute Respiratory Syndrome (SARS) Severity of Back Injuries Sex After Childbirth Sex and Your Heart Sex During Pregnancy Sex Education, Talking With Children/Teenagers Sex Therapy for Erection Problems Sexual Abuse or Assault (Rape) Sexual Abuse, Child Sexual Abuse: Knowing About Sex at Too Young an Age Sexual Abuse: Physical Signs in Children Sexual Abuse: Signs and Symptoms Sexual and Reproductive Organs Sexual Dysfunction Causes: Medical Conditions Sexual Dysfunction Causes: Medicines Sexual Health Sexual Orientation Sexual Problems in Women Sexual Problems: Questions About Your Sexual History Sexuality and Physical Changes With Aging Sexuality and Reproductive Issues (PDQ®): Supportive care - Health Professional Information [NCI] Sexuality While Breastfeeding Sexually Transmitted Infection Testing Sexually Transmitted Infections Sexually Transmitted Infections: Genital Exam for Men Sexually Transmitted Infections: Symptoms in Women Sexually Transmitted Infections: Treatment Shaken Baby Syndrome Shaking Sharing Memories With Older Adults Shellie's Story: Finding Time for Physical Activity Sheltering in Place Sherri's Story: Medicines Do Work Shift Work Sleep Disorder Shigellosis Shin Splints Shingles Shingles Vaccine: What You Need to Know Shingles: Should I Get a Shot to Prevent Shingles? Shock Shoe Inserts for Plantar Fasciitis Short-Acting Beta2-Agonists for Quick Relief of Asthma Symptoms Shoulder and Neck Massage Shoulder Bursitis and Tendon Injury: Preventing Pain Shoulder Problems and Injuries Shoulder Replacement Surgery Shoulder Separation Shoulder SLAP Tear Sibling Rivalry Sick Building Syndrome Sick Sinus Syndrome Sick-Day Guidelines for People With Diabetes Sickle Cell Crisis Sickle Cell Disease Sickle Cell Disease, Blood Transfusions for Sickle Cell Disease, Bone Marrow Transplant for Sickle Cell Disease: Acute Chest Syndrome Sickle Cell Disease: Aplastic Crisis Sickle Cell Disease: Dactylitis (Hand-Foot Syndrome) Sickle Cell Disease: Home Treatment for Priapism Sickle Cell Disease: Pain Management Sickle Cell Disease: Preventing Problems and Staying Healthy Sickle Cell Disease: Splenic Sequestration Sickle Cell Disease: Vision Problems Sickle Cell Disorders Sickle Cell Trait Side Effects and Interactions of Medicines, Dealing With Side Effects of Chemotherapy SIDS (Sudden Infant Death Syndrome) Signs of Abnormal Bleeding Signs of Damage Caused by Glaucoma Signs of Drug Use Signs of Stress Signs of Substance Use Signs That Your Baby Is Getting Enough Breast Milk Sinus Surgery for Sinusitis Sinus X-Ray for Sinusitis Sinusitis Sinusitis and Mucous Membrane Sinusitis, Endoscopic Sinus Examination for Sinusitis, Endoscopic Surgery for Sinusitis, Needle Aspiration of sinus for Sinusitis, Open Surgery for Sinusitis, Sinus X-ray for Sinusitis: Over-the-Counter Medicines Sinusitis: Should I Have Surgery? Sinusitis: Should I Take Antibiotics? Sjögren's Syndrome Skin Adhesives (Liquid Stitches) Skin Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI] Skin Cancer Prevention (PDQ®): Prevention - Patient Information [NCI] Skin Cancer Screening Skin Cancer Screening (PDQ®): Screening - Health Professional Information [NCI] Skin Cancer Screening (PDQ®): Screening - Patient Information [NCI] Skin Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI] Skin Cancer Treatment (PDQ®): Treatment - Patient Information [NCI] Skin Cancer, (Melanoma), Radiation Therapy for Skin Cancer, Melanoma Skin Cancer, Melanoma, Lymphadenectomy (Lymph Node Removal) for Skin Cancer, Nonmelanoma Skin Cancer, Nonmelanoma, Cryosurgery for Skin Cancer, Nonmelanoma, Curettage for Skin Cancer, Nonmelanoma, Electrosurgery for Skin Cancer, Nonmelanoma, Excision for Skin Cancer, Nonmelanoma, Mohs Micrographic Surgery for Skin Cancer, Nonmelanoma, Radiation Therapy for Skin Cancer, Nonmelanoma, Surgical Removal for Skin Cancer, Physical Examination for Skin Cancer: Protecting Your Skin Skin care for atopic dermatitis Skin care for psoriasis Skin Changes Skin Cyst: Home Treatment Skin Grafting for Venous Skin Ulcer Skin Protection from the Sun Skin Rashes, Age 11 and Younger Skin Rashes, Age 12 and Older Skin Rashes: Home Treatment Skin, Hair, and Nails SLAP Lesion (Shoulder) Sleep and Your Body Clock Sleep and Your Health Sleep Apnea Sleep Apnea (Obstructive), Adenoidectomy for Sleep Apnea (Obstructive), Continuous Positive Airway Pressure (CPAP) Therapy for Sleep Apnea (Obstructive), CPAP (Continuous Positive Airway Pressure) Therapy for Sleep Apnea (Obstructive), Deciding About a Sleep Study Sleep Apnea (Obstructive), Tonsillectomy for Sleep Apnea (Obstructive), Traceostomy for Sleep Apnea (Obstructive), Uvulopalatopharyngoplasty for Sleep Apnea: Fiber-Optic Pharyngoscopy Sleep Apnea: Less Common Surgeries Sleep Apnea: Oral Devices Sleep Apnea: Should I Have a Sleep Study? Sleep Apnea: Should I Have Surgery? Sleep Apnea: Uvulopalatoplasty Sleep Disorders (PDQ®): Supportive care - Health Professional Information [NCI] Sleep Disorders (PDQ®): Supportive care - Patient Information [NCI] Sleep Problems Sleep Problems because of Shift Work Sleep Problems During Pregnancy Sleep Problems, Age 12 and Older Sleep Problems: Dealing With Jet Lag Sleep study: Should I have a sleep study for sleep apnea? Sleep, Rest, and Breastfeeding Sleep: Helping Your Children-and Yourself-Sleep Well Sleeping Better Sleeping Pills, Deciding About Use for Insomnia Sleeping with Restless Legs Syndrome: Getting more sleep Slipped Capital Femoral Epiphysis Slipped Disc Slipped Neck Disc Slow Heart Rate (Bradycardia or Bradyarrhythmia) Slow Heart Rate, History and Physical Examination for Slow Heart Rate, Medical History and Physical Examination for Slow Heart Rate, Pacemaker for Slow Heart Rate, Physical Examination and Medical History for Small bowel obstruction Small Cell Lung Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI] Small Cell Lung Cancer Treatment (PDQ®): Treatment - Patient Information [NCI] Small Intestine Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI] Small Intestine Cancer Treatment (PDQ®): Treatment - Patient Information [NCI] Small Joint Surgery for Osteoarthritis Smallpox Smart Decisions: Know Your Options Smoking and Coronary Artery Disease Smoking and Heart Attack Risk Calculator Smoking and Life Span Calculator Smoking and Stroke Risk Smoking Cessation Smoking Cessation Readiness Calculator Smoking Cessation, Bupropion Hydrochloride (Zyban) for Smoking Cessation, Deciding About Medication Smoking Cessation, Nicotine Replacement Therapy for Smoking Cessation, Varenicline (Chantix) for Smoking cessation: Coping with cravings and withdrawal Smoking cessation: Dealing with weight gain Smoking cessation: Getting support Smoking cessation: Helping someone quit Smoking cessation: Preventing slips or relapses Smoking Cessation: What to do when You Crave Nicotine Smoking Cost Calculator Smoking Fewer Cigarettes Smoking in Cancer Care (PDQ®): Supportive care - Patient Information [NCI] Smoking Triggers Smoking: Choosing a Good Time to Quit Smoking: Health Risk for Family Members Smoking: Heart Attack and Stroke Risks Smoking: Problems With Pregnancy Smoking: Sexual and Reproductive Problems Snack Ideas for Preschoolers Snake and Lizard Bites Snake Antivenom Snakebite: Symptoms of a Pit Viper Bite Snoring Snoring and Obstructive Sleep Apnea Snoring, Adenoidectomy for Snoring, Radiofrequency Palatoplasty for Snoring, Tonsillectomy for Snoring, Uvulopalatopharyngoplasty for Social Anxiety Disorder Social Connections Sodium and High Blood Pressure Solar Keratosis Somogyi Effect and Dawn Phenonemon Sore Throat and Other Throat Problems Sore Throat: Should I Take Antibiotics? Soy for Menopause Symptoms Spastic Colon Spasticity Special Diets for Epilepsy Specialists, Medical Care Specific Phobias SPECT Image of the Heart Speech and Language Delays: Common Misconceptions Speech and Language Development Speech and Language Development: Helping Your 1- to 2-Year-Old Speech and Language Development: Red Flags Speech and Language Milestones, Ages 1 to 3 Years Speech and Language Milestones, Ages 3 to 5 Years Speech and Language Milestones, Birth to 1 Year Speech Problems From Brain or Nervous System Damage Speech Problems: Normal Disfluency Spermatocele (Epididymal Cyst) Spermicide for Birth Control Spica cast, Caring for your child in a Spider Bite, Black Widow Spider Bite, Brown Recluse Spider Bites Spider Veins Spina Bifida Spinal Block for Childbirth Spinal Cord Injuries: Areas of Research Spinal Cord Injury Spinal Cord Injury: Adapting Your Home Spinal Cord Injury: Assisted Cough Spinal Cord Injury: Autonomic Dysreflexia Spinal Cord Injury: Breathing Practice Spinal Cord Injury: Changing Your Activity Levels Spinal Cord Injury: Dietary Issues Spinal Cord Injury: Finding a Rehab Center Spinal Cord Injury: Flexibility Exercises Spinal Cord Injury: Safe Transfers To or From a Wheelchair Spinal Cord Injury: Sensual Exercises Spinal Cord Injury: Talking With Your Partner About Sex Spinal Cord Injury: Your Rehabilitation Team Spinal Curves in Scoliosis Spinal Decompression for Neck Pain Spinal Fusion for Scoliosis Spinal Fusion, Cervical Spinal Manipulation Spinal manipulation: Should I have spinal manipulation for low back pain? Spinal Stenosis, Decompressive Laminectomy for Spinal Stenosis, Laminectomy, Decompressive for Spinal Stenosis, Lumbar Spiritual Healing Spirituality and Your Health Spirituality in Cancer Care (PDQ®): Supportive care - Health Professional Information [NCI] Spirituality in Cancer Care (PDQ®): Supportive care - Patient Information [NCI] Spirometry Tests for COPD Spitting Up Splenectomy Splint Care Tips Splint Care Tips Splinter Removal Splinting Spondyloarthropathies Spondylolisthesis Spondylolysis and Spondylolisthesis Sponge Bath for a Child's Fever Sponsor's Role in Alcohol or Drug Recovery Sports Hernia Sports Training With Plantar Fasciitis Sports-Related Dehydration Sprained Ankle Sprained Ankle: Rehabilitation Exercises Sprained Ankle: Using a Compression Wrap Sprue Squamous Cell Carcinoma SSRI medicine: Should I use an SSRI medicine for PMS symptoms? St. John's Wort Stable Angina, Deciding About Angioplasty Stage I Nonseminoma Testicular Cancer, Deciding About Treatment Stage I Seminoma Testicular Cancer, Deciding About Treatment Stages of Chronic Kidney Disease Stages of Endometriosis Stages of Lyme Disease Stages of Sleep Stages of Sleep Apnea Stages of Syphilis Stan's Story: Getting There Hasn't Been Easy Staph Food Poisoning Staph Infection Stasis Leg Ulcer Statins Statins for High Cholesterol Statins for High Cholesterol, Deciding About Statins: Should I Take Them to Prevent a Heart Attack or Stroke? Stay Active, Having enough Energy to: Quick Tips Staying Healthy Around Animals Staying Safe When You Take Several Medicines Staying Safe: After You Leave a Violent Relationship Staying Safe: If You Are in a Violent Relationship Stem Cell Donation Stem Cell Transplant for Lupus Stem Cell Transplant for Sickle Cell Disease Stem Cell Transplant, Allogeneic Stem Cell Transplant, Autologous Stenosis, Mitral Valve Step counter, Using a Steps for Diagnosing Type 2 Diabetes Sterilization, Female Steroid Abuse, Anabolic Steroid Injections for Low Back Pain Steroid Medicine for Asthma: Myths and Facts Steroid-Induced Osteoporosis Steve's Story: Coping With Arthritis STI Testing: Should I Get Tested for a Sexually Transmitted Infection? Stillbirth Still's Disease Stimulate Your Baby's Learning Stings, Insect Stomach (Gastric) Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI] Stomach (Gastric) Cancer Prevention (PDQ®): Prevention - Patient Information [NCI] Stomach (Gastric) Cancer Screening (PDQ®): Screening - Health Professional Information [NCI] Stomach (Gastric) Cancer Screening (PDQ®): Screening - Patient Information [NCI] Stomach Pain, Age 11 and Younger Stomach Pain, Age 12 and Older Stomach Stapling for Obesity Stomach Ulcer Stool Analysis for Giardiasis Stop Negative Thoughts: Choosing a Healthier Way of Thinking Stop Negative Thoughts: Getting Started Stopping a Nosebleed Stopping Bleeding from a Minor Head Wound Stopping Breastfeeding Suddenly Stopping Facial Bleeding Stopping Medicine for Epilepsy Stopping unwanted thoughts: Positive thinking Storing Breast Milk Storing Insulin and Prefilling Syringes Strabismus Straight-Leg Test for Evaluating Low Back Pain Strep Throat Strep Throat Complications Strep Throat, Rapid Strep Test for Strep Throat: Home Treatment Streptococcal Gangrene Stress and Diabetes Stress and Fibromyalgia Stress Headaches Stress in Children and Teens Stress Incontinence in Men Stress Incontinence in Women: Should I Have Surgery? Stress Level Calculator Stress Management Stress Management on the Job Stress Management When You Have Cancer Stress Management: Breathing Exercises Stress Management: Breathing Exercises for Relaxation Stress Management: Doing Guided Imagery to Relax Stress Management: Doing Meditation Stress Management: Doing Progressive Muscle Relaxation Stress Management: Helping Your Child With Stress Stress Management: Imagery Exercises Stress Management: Managing Your Time Stress Management: Practicing Yoga to Relax Stress Management: Reducing Stress by Being Assertive Stress Management: Relaxing Your Mind and Body Stress Reduction for Caregivers: Quick Tips Stress Reduction for the Holidays: Quick Tips Stress Relief and Relaxation Stress Resiliancy Calculator Stress Urinary Incontinence in Women Stress Urinary Incontinence in Women, Tension-Free Vaginal Tape for Stress Urinary Incontinence in Women, Urethral Sling for String Test for Giardiasis Stroke Stroke and TIA: Who Is Affected Stroke Prevention with Anticoagulants, Deciding About Stroke Prevention, Taking Daily Aspirin Stroke Prevention: Should I Have a Carotid Artery Procedure? Stroke Recovery: Coping With Eating Problems Stroke Rehabilitation Stroke Risk and Carotid Endarterectomy Stroke Symptoms Stroke, Carotid Endarterectomy for Stroke: Behavior Changes Stroke: Bladder and Bowel Problems Stroke: Changes in Emotions Stroke: Common Disabilities Stroke: Dealing With Depression Stroke: Getting Dressed Stroke: Hesitant or Impulsive? Stroke: How to Prevent Another One Stroke: Life-Threatening Complications Stroke: Memory Tips Stroke: Perception Changes Stroke: Preventing Injury in Affected Limbs Stroke: Problems With Ignoring the Affected Side Stroke: Should I Move My Loved One Into Long-Term Care? Stroke: Should I take daily aspirin to prevent a heart attack or stroke? Stroke: Speech and Language Problems Stroke: Your Rehabilitation Team Stuttering Stuttering: Risk Factors Styes and Chalazia Subacromial Smoothing and Acromioplasty for Rotator Cuff Disorders Subchorionic Hemorrhage Subclinical Hyperthyroidism Subclinical Hypothyroidism Substance Abuse, Teen Substance Use and Mental Health Problems Substance Use Problems Substance Use Problems in Older Adults Substance Use Problems: Dealing With Teen Substance Use Substance Use Problems: Signs at Home Substance Use Problems: Signs at School Substance Use Problems: Signs in Your Teen's Friendships Substance Use Support Groups: Being an Active Member Substance Use: Staying Alcohol- or Drug-Free After Treatment Sucking and Malocclusion Sudden Changes in Vision Sudden Infant Death Syndrome (SIDS) Suicidal Thoughts or Threats Suicide Assessment Suicide Threats: What to Do Sun Protection to Prevent Sunburn Sunburn Sunburn and Skin Cancer Sunburn: Skin Types Support Groups and Social Support Supporting Someone Who Has an Eating Disorder Suprapubic Catheter Care Supraventricular Tachycardia Supraventricular Tachycardia, Catheter Ablation for Supraventricular Tachycardia: Should I Have Catheter Ablation? Surgery for an Achilles Tendon Rupture Surgery for Chronic Pelvic Pain Surgery for Glaucoma and a Cataract Surgery for Ovarian Cysts Surgery for Tennis Elbow Surgery Options for Patellar Tracking Disorder Surgery: What to Expect Surgical Abortion Care Surgical Excision of Melanoma Surgical Nail Removal for Fungal Nail Infections Surgical Removal of Ganglions Surgical Removal of Genital Warts by Excision Susan's Story: A Friend Really Helps Swallowed Air Swallowed Button Disc Battery, Magnet, or Object With Lead Swallowed or Inhaled Objects Swelling Swelling During Pregnancy Swimmer's Ear Swimmer's Ear (Otitis Externa) Swimmer's Itch Swollen Glands, Hernias, and Other Lumps Under the Skin Swollen Lymph Nodes Symptoms Before a Migraine Symptoms of Depression Symptoms of Depression in Children Symptoms of Ear Infection Symptoms of High Blood Sugar Symptoms of Low Blood Sugar Symptoms of Lyme Disease Symptoms of Pelvic Infection Symptoms of Pregnancy Symptoms of Schizophrenia Symptoms of Severe Anxiety and Panic Syncope (Fainting) Synovectomy for Rheumatoid Arthritis Syphilis Syphilis: Chancre Syphilis: Gummata Systematic Lupus Erythematosus Systemic Corticosteroids for Relief During Asthma Attacks