Conditions

Toes get broken in the most domestic ways: catching the little toe on a bed leg, dropping something heavy on the foot, tripping over a step in the dark.

In this condition the airways are permanently widened and deformed: instead of springy tubes that push mucus outwards on their own, they become wide sacs with…

Bronchiolitis is a viral inflammation of the smallest airways, the bronchioles. It affects children in their first two years, most often babies under one.

Bronchitis is inflammation of the lining of the bronchi, the tubes carrying air from the windpipe into the lungs.

Brucellosis is a bacterial infection that passes to people from farm animals: goats, sheep, cattle, pigs and, less often, dogs.

Brugada syndrome is an inherited quirk of the heart's electrical system. The muscle itself is healthy: on a scan the walls, the valves and the pumping all…

Bullous pemphigoid is a rare autoimmune skin condition in which the immune system attacks the junction between the upper and lower layers of the skin.

What people call a bunion doctors call hallux valgus: a sideways drift of the big toe. It is the commonest deformity of the forefoot, present in roughly one…

A burn is damage to the skin from dry heat: an iron, a hob, an open flame. A scald is the same injury caused by hot liquid or steam.

Wherever a tendon, a muscle or simply the skin slides over a bony prominence, there is a flat pouch holding a drop of thick fluid.