Detailed information on mouth infections, including the oral herpes simplex virus infection.

Gallstones are lumps of solid material that form in your gallbladder. They are made when the digestive juice called bile gets hard and stone-like. Gallstones can be as small as a grain of sand or as big as a golf ball. Your gallbladder may form 1 large stone, hundreds of tiny stones, or both sizes at the same time.

Detailed information on the most common health concerns for men, including male breast cancer, gynecomastia, colorectal cancer, erectile dysfunction (impotence), hair loss, heart attack, high blood pressure (hypertension), insomnia, low back pain, inferti