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.
Cerebral palsy Spastic cerebral palsy, ataxic cerebral palsy, and dyskinetic cerebral palsy all affect the brain's muscle control. Learn how cerebral palsy is treated.
Isotretinoin and other retinoids during pregnancy If you're pregnant, oral retinoids may increase your baby's risk for birth defects. Learn how to protect your baby from the effects of isotretinoin.