Medical advances have changed the future of today's patients with HIV. Most children with HIV grow into adults these days. But that presents challenges, too.

Little kids are notorious for having runny noses a lot of the time. It can be hard to tell the difference between allergies, a cold and a more serious infection. Research data can help.

Itchy skin is just one of the things eczema patients have to deal with. When kids have eczema, they could have more health conditions beyond the skin.

About 2 to 5 percent of newborn boys have undescended testicles at birth. Usually, the testicles descend on their own by the time the child is 6 months old.

When flu season is around the corner, you're likely to see lots of reminders to get the flu vaccine. Is the flu vaccine likely to make much of a difference?

Only one vaccine currently protects against an infection that can directly cause cancer — the HPV vaccine. Good news about that vaccine is that research is showing that it's working very well.

Some parents may worry about certain vaccines if their child has a chronic condition, such as asthma, arthritis and diabetes.

That call about your child's liver transplant can lift one of many burdens. And whether it's a whole or partial liver, the success rates are about the same.

Pediatricians recommend children have no more than one or two hours of screen time a day, including watching TV. But differences in TV watching vary greatly across different groups.

Certainly a preschooler who eats a lot of sugary food and drinks many sugary beverages is eating poorly. But how they eat may make as much difference to their health as what they eat.