Gastroenterologists diagnose and treat digestive system ailments. Gerontologists specialize in the specific health care needs of the elderly. Gynecologists prevent and treat disorders of the female reproductive system. Neurologists specialize in brain and central nervous system disorders. Obstetricians care for pregnant women and deliver babies.
Oncologists treat patients with cancer.
Ophthalmologists diagnose and treat eye disorders. Orthopedists correct or prevent skeletal deformities or ailments. Pathologists interpret and diagnose changes in tissue caused by disease. Physiatrists specialize in physical and rehabilitative medicine. Psychiatrists study, treat, and prevent mental illness.