Enterovirus infections often cause no symptoms or mild flu-like symptoms. Though rare, they can lead to serious complications. Children and people with weaker immune systems are most at risk.

Type 2 diabetes causes a person’s blood sugar levels to become too high. Early signs of type 2 diabetes include increased thirst, frequent urination, and tiredness. Type 2 diabetes is a common ...

Signs of attention deficit hyperactivity disorder (ADHD) in children can be similar to those of regular behavior in young kids. You might notice they have trouble paying attention, are hyperactive ...

ADHD can appear differently in teens than in younger children. Adolescents may be less likely to show hyperactivity, although symptoms of inattentiveness and impulsivity often continue. Attention ...

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If you already have a liver condition such as cirrhosis, tell your doctor if you have any new or worsening symptoms. Symptoms of liver cancer are often quite vague and vary depending on where the ...

What Causes Pneumonia and Who Is at Risk? Pneumonia symptoms can vary widely from a mild flu to a life-threatening emergency. Cough, fever, and fatigue are common, but you should seek help for more ...

Javascript must be enabled to use this site. Please enable Javascript in your browser and try again. AARP Care Connect supports you with resources, answers to common ...

HIV symptoms vary by the stage of infection, known as acute HIV infection (Stage 1), chronic HIV infection (Stage 2), and AIDS (Stage 3). During primary infection, the symptoms are caused by the virus ...