When caffeine hits the body, blood pressure increases and heart rate decreases, past research has found. But the effects differ in males and females.

For children with heart disease, exams using radiation allow doctors to see images of their hearts. But for some children, this exposure to radiation also might pose a risk for cancer later in life.

It's not news that smoking during pregnancy is a bad idea. But researchers are still learning the various ways it can affect a developing baby.

Spending a lot of time in front of a TV or computer screen can promote inactivity, especially in children. And inactivity may mean other unhealthy habits.

Doctors recommend annual flu shots to help patients stay healthy during flu season. New research suggests that the flu vaccine also might help prevent stroke.

Certain birth defects can affect both the body and the mind. Children with heart birth defects, for example, may also have delays in their development.

High blood pressure-related disorders are among the most common pregnancy complications in the United States. Preterm delivery is often necessary to keep the mother safe and healthy.

The rate of human development is the fastest during the first trimester of pregnancy. Fetal growth restrictions during this time could affect the baby's future health.

Sometimes it can be difficult to learn enough about diseases that are fairly rare. Kawasaki is one such disease, but doctors are learning more.

In adults, sleep apnea is tied to higher blood pressure. Does sleep apnea produce the same result in children?