ANALGESIC: A remedy that relieves pain.

CARDIOLOGY: Study of health of the heart. Blood, Heart, Circulation, Blood Pressure.

DERMATOLOGY: Study of skin disorders. Skin, Nails, Hair.

ENDOCRINOLOGY: Study of the function of endocrine glands and related hormones. Thyroid, Adrenal, Pituitary Glands, Blood, Lymph.

GASTROENTEROLOGY: Study of the health of the digestion. Stomach, Intestines, Liver, Pancreas, Colon.

IMMUNOLOGY: Study of the immune system. Cells, Lymph, Antibodies.

RESPIRATORY: Study of the organs of respiration. Lungs, Sinus, Breathing.

RHEUMATOLOGY: Study of rheumatism and arthritis. Joints, Muscles, Ligaments.

SOMNOLOGY: Study of sleep. Rest, Relaxation, State of Mind.