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Acne is a common skin condition. It causes bumps on the skin known as pimples to appear on the face…

Flatulence is another name for gas. It happens when air stays in your abdomen after you eat. It can be…

Nonalcoholic fatty liver disease (NAFLD) is a buildup of fat in the liver. This common condition can be harmless but…

Nasopharyngeal cancer is a malignant tumor that develops in the nasopharynx, the area where the back part of your nose…

Head lice are small wingless insects that can get on your hair and scalp. Lice bites may cause constant scratching,…

It is normal to shed some hair each day as part of this cycle. However, some people may experience excessive…

Cleft lip and cleft palate are birth defects that happen when a baby’s lip or mouth don’t form correctly early…

Diaper rash is redness and rash on a baby’s bottom or genital area. It is a very common rash. Normally,…

Polycystic kidney disease (PKD) is an inherited disease that affects the kidneys. It causes abnormal sacs of fluid (called cysts)…

Pneumonia is an infection of the lungs. How serious it is depends on what caused the pneumonia, your age, and…

Oppositional defiant disorder is a behavior condition that affects children and teens. It causes a negative effect on the child’s…

Keratosis pilaris is a harmless skin condition that causes small bumps to appear on the skin. They can appear anywhere…

Keloids are a type of raised scar. They occur where the skin has healed after an injury and can grow…

Hepatitis B is a serious liver infection caused by a virus. It is usually spread from person to person through…