Marfan syndrome Marfan syndrome is a birth defect that affects the body's connective tissue. Learn the signs and symptoms of Marfan syndrome and how it's treated.
Influenza (flu) and your baby Babies 6 months and older need a flu shot every year. Learn the signs and symptoms of flu in babies.
Lead poisoning Lead poisoning occurs from high levels of lead in your water or environment. Learn about the risks of lead poisoning in children.