Achondroplasia Achondroplasia is a birth defect that prevents a baby's cartilege from turning into bone as it should. Learn how achondroplasia is treated.
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.