Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 10 of 1,013 for the
  1. Nasal Cancer (National Library of Medicine)  
    Your paranasal sinuses are small hollow spaces around the nose. They are lined with cells that make mucus, which keeps your nose from drying out. The nasal cavity is the passageway just behind your ...
  2. Diarrhea (National Library of Medicine)  
    ... they may come and go. What causes diarrhea? The most common causes of diarrhea include: Bacteria from contaminated food or water Viruses such as the flu, norovirus, or rotavirus . Rotavirus is the most ...
  3. Over-the-Counter Medicines (National Library of Medicine)  
    Over-the-counter (OTC) medicines are drugs you can buy without a prescription. Some OTC medicines relieve aches, pains, ... manage recurring problems, like migraines and allergies. In the United States, the Food and Drug Administration decides ...
  4. Pulmonary Embolism (National Library of Medicine)  
    ... a blood clot breaks loose and travels through the bloodstream to the lungs. PE is a serious condition that can cause: Permanent damage to the lungs Low oxygen levels in your blood Damage ...
  5. Hydrocephalus (National Library of Medicine)  
    Hydrocephalus is the buildup of too much cerebrospinal fluid in the brain. Normally, this fluid cushions your brain. When you have ... Causes include genetic problems and problems with how the fetus develops. An unusually large head is the ...
  6. HDL: The "Good" Cholesterol (National Library of Medicine)  
    ... waxy, fat-like substance that's found in all the cells in your body. Your liver makes cholesterol, ... are a combination of fat (lipid) and protein. The lipids need to be attached to the proteins ...
  7. LDL: The "Bad" Cholesterol (National Library of Medicine)  
    ... waxy, fat-like substance that's found in all the cells in your body. Your liver makes cholesterol, ... are a combination of fat (lipid) and protein. The lipids need to be attached to the proteins ...
  8. Caregiver Health (National Library of Medicine)  
    ... someone who needs help taking care of themselves. The person who needs help may be a child, ... setting. Sometimes they are caregiving from a distance. The types of tasks that caregivers do may include: ...
  9. Gonorrhea (National Library of Medicine)  
    ... STI). It is most common in young adults. The bacteria that cause gonorrhea can infect the genital tract, mouth, or anus. You can get ... can cause pain when urinating and discharge from the penis. If untreated, it can cause problems with ...
  10. Circumcision (National Library of Medicine)  
    ... circumcision? Circumcision is a surgical procedure to remove the foreskin from the penis. The foreskin is the loose skin that covers the tip of the ...
previous · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · next