Clear Health from NIH

Easy, accessible information and more.

If you or someone close to you has received a recent diagnosis, or if you are curious because you heard about a disease, disorder, or condition on the news or from friends and want a good place to find the basic information you are looking for, this is a good place to get started. If you don’t see your topic, search all NIH health topics here.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

A1C

Acne

Adrenal Gland Disorders

Age-Related Macular Degeneration

Alcohol

Alcoholism and Alcohol Abuse

Alzheimer’s Caregivers

Alzheimer’s Disease

Anal Cancer

Anatomy

Anemia

Ankylosing Spondylitis

Anxiety

Arthritis

Asthma

Attention Deficit Hyperactivity Disorder

Autism Spectrum Disorder

Autoimmune Diseases

Autoinflammatory Diseases

B

Back Pain

Bedwetting

Behçet’s Disease

Bile Duct Cancer

Bipolar Disorder

Birth Defects

Bladder Cancer

Bladder Control Problems

Blood Sugar

Body Weight

  • Health Tips for Adults (National Institute of Diabetes and Digestive and Kidney Diseases)
    Available in Spanish
  • Stay Fit As You Mature (National Institute of Diabetes and Digestive and Kidney Diseases)
  • Using the World Around You to Stay Healthy and Fit (National Institute of Diabetes and Digestive and Kidney Diseases)

Bone Cancer

Bone Density

Bone Diseases

Bone Health

Bone Injuries

Bowel Birth Defect

Bowel Incontinence

Brain Tumors

Breastfeeding

Breast Cancer

Breast Health

Burns

Bursitis

  • Bursitis (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish

C

Cancer Chemotherapy

Cancer in Children

Cancer — Living with Cancer

Cancer Treatment Side Effects

Caregivers

Cartilage Disorders

Celiac Disease

Cervical Cancer

Cervix Health

Child Behavior Disorders

Child Dental Health

Child Mental Health

Child Nutrition and Exercise

Cirrhosis

  • Cirrhosis (National Institute of Diabetes and Digestive and Kidney Diseases)
    Available in Spanish

Clinical Trials

Club Drugs

Cocaine

College Health

Colorectal Cancer

Constipation

  • Constipation (National Institute of Diabetes and Digestive and Kidney Diseases)
    Available in Spanish

Chronic Obstructive Pulmonary Disease (COPD)

Coping with Disasters

Corns and Calluses

Crohn’s Disease

D

Delirium

Depression

Diabetes

Diabetes and Pregnancy

Diabetes Complications

Diabetes in Children and Teens

Diabetes Medicines

Diabetes Type 1

Diabetes Type 2

Diabetic Diet

Diabetic Eye Disease

Diabetic Foot

Diabetic Heart Disease

Diabetic Kidney Problems

Diabetic Nerve Problems

Dialysis

Diarrhea

  • Diarrhea (National Institute of Diabetes and Digestive and Kidney Diseases)
    Available in Spanish

Diets

Digestive Diseases

Diseases of the Colon

Disruptive Mood Dysregulation Disorder

Down Syndrome

  • Down Syndrome (Eunice Kennedy Shriver National Institute of Child Health and Human Development)
    Available in Spanish

Drug Abuse

Drug Reactions

E

Eating Disorders

Eczema

Edema

Erectile Dysfunction

Esophageal Cancer

Exercise and Physical Fitness

Exercise for Children

Exercise for Seniors

Eye Cancer

F

Fetal Alcohol Spectrum Disorders

Fibromyalgia

  • Fibromyalgia (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish.

G

Gallbladder Cancer

Gangrene

Gas

Giant Cell Arteritis

Glaucoma

Gum Disease

H

Hair Loss

  • Alopecia Areata (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish

Head and Neck Cancer

Healthy Aging

Heart Attack

Heart Health

Hepatitis A

  • Hepatitis A (National Institute of Diabetes and Digestive and Kidney Diseases)
    Available in Spanish

Hepatitis B

  • Hepatitis B (National Institute of Diabetes and Digestive and Kidney Diseases)
    Available in Spanish

Hepatitis C

  • Hepatitis C (National Institute of Diabetes and Digestive and Kidney Diseases)
    Available in Spanish

Heritable Disorders of Connective Tissue

Heroin

High Blood Pressure

Hip Replacement

Hodgkin Disease

Hormone Therapy

Hypothermia

I

Immunotherapy

Infant Care and Infant Health

Infectious Arthritis

Infertility

Intestinal Cancer

Intestinal Obstruction

Irritable Bowel Syndrome

J

Juvenile Arthritis

K

Kaposi Sarcoma

Kidney Cancer

Kidney Disease

Kidney Failure

Kidney Stones

  • Kidney Stones (National Institute of Diabetes and Digestive and Kidney Diseases)
    Available in Spanish

Knee Injuries and Disorders

L

Lactose Intolerance

Learning and Learning Disabilities

Leukemia

Liver Cancer

Liver Transplantation

  • Liver Transplant (National Institute of Diabetes and Digestive and Kidney Diseases)

Lung Cancer

Lupus

Lymphedema

M

Male Breast Cancer

Marfan Syndrome

  • Marfan Syndrome (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish.

Marijuana

Medication Errors

Melanoma

Memory

Men’s Health

Menstruation

Mouth Problems

Mesothelioma

Methamphetamine

Multiple Myeloma

N

Nasal Cancer

Nausea and Vomiting

Neuroblastoma

Nutrition

Nutrition for Seniors

O

Obesity in Children

Obsessive-Compulsive Disorder

Oral Cancer

Osteoarthritis

Osteogenesis Imperfecta

Osteonecrosis

Osteoporosis

Ovarian Cancer

Over-the-Counter Medicines

Overactive Bladder

P

Paget’s Disease of Bone

Pain

Palliative Care

Pancreatic Cancer

Panic Disorder

Pemphigus

  • Pemphigus (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish

Peptic Ulcer

Personalized Medicine

Phobias

Pituitary Tumors

Post-Traumatic Stress Disorder

Postpartum Depression

Precision Medicine

Prediabetes

Pregnancy and Prenatal Care

Pregnancy and Substance Abuse

Prescription Drug Abuse

Prostate Cancer

Prostate Diseases

Psoriasis

  • Psoriasis (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish
  • Psoriatic Arthritis (National Institute of Arthritis and Musculoskeletal and Skin Diseases)

Psychosis

Radiation Therapy

Raynaud's Disease

Reading and Learning

Rehabilitation Medicine

Reproductive Health

Rheumatoid Arthritis

S

Salivary Gland Cancer

Seasonal Affective Disorder

Sepsis

Schizophrenia

Scleroderma

  • Scleroderma(National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish.

Scoliosis

  • Scoliosis (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish.

Sexual Problems

Shoulder Injuries and Disorders

Sickle Cell Disease

Sjogren’s Syndrome

Skin Cancer

Skin Conditions

Small Intestine Cancer

Sleep

Soft Tissue Sarcoma

Spinal Stenosis

  • Spinal Stenosis (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish

Sports Injuries

Sprains and Strains

Stem Cell Transplant

Stomach Cancer

Streptococcal Infections

Stroke

Suicide

Surgery

T

Targeted Therapy

Teen Health

Teen Mental Health

Teen Violence

Tendinitis

  • Tendinitis (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish

Testicular Cancer

Throat Cancer

Thymus Cancer

Thyroid Cancer

Toe Injuries and Disorders

Tooth Disorders

Trauma

U

Underage Drinking

Urinary Incontinence

Uriractnary T Infections

Uterine Problems

V

Vaginal Cancer

Vision

Vitiligo

  • Vitiligo (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish

Vulvar Cancer

Vulvar Disorders

  • Lichen Sclerosus (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
    Available in Spanish
  • Vulvodynia (Eunice Kennedy Shriver National Institute of Child Health and Human Development)
    Available in Spanish

W

Water Safety (Recreational)

Weight Management

Wilms Tumor

Women’s Health

This page last reviewed on October 22, 2020