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A growing number of scientific studies indicate that optimistic people tend to live longer and have better physical and mental health than pessimistic people.

Sometimes it's necessary to travel during pregnancy. Here are some tips and guidance for safe travels while you're pregnant.

Alzheimer disease is a progressive condition, which means that it keeps getting worse. Eventually, people with Alzheimer disease need help with daily activities because they lose the ability to dress, bathe, and feed themselves.

Alzheimer disease is a type of brain disorder. It causes memory loss, confusion, and changes in personality. It is a type of dementia. Read this to learn about the stages of Alzheimer disease.

Spinal stenosis is a condition in which the spinal canal narrows and pinches the nerves. This results in back and leg pain. Read this for more information about the condition, including symptoms, treatment, and prevention.

Here is what to expect after a hysterectomy.

Most kidney donors live normal lives with one kidney. Once you recover from surgery, you will be able to return to your normal activities. Here's what you need to know about home care after surgery.

A groin hernia is when a small sac of intestine or fat pokes through a weak area of muscle into the lower abdomen. The weak area of muscle is formed that way before birth. The sac is formed by tissue that lines the abdomen. This kind of hernia usually happens on one side of the groin. 

Carnitine is a nutrient that helps the body's cells work normally. Primary carnitine deficiency is when not enough carnitine can get into cells in the body. It is a rare health problem a child is born with. Learn more about it, including the causes, symptoms, diagnosis, and treatment.