Conditions

Acute kidney injury is a sharp drop in kidney function over hours or days. The blood stops being cleaned properly, and water, salts and waste products build…

Bone marrow releases billions of new cells into the blood every day. In acute lymphoblastic leukaemia one branch of that production line breaks loose…

Blood is renewed without pause, and all that work happens in the bone marrow. In acute myeloid leukaemia the myeloid branch breaks — the one that yields…

The pancreas sits behind the stomach and makes the enzymes that break down food. Normally they only switch on once they reach the intestine.

ARDS is not a disease in its own right but severe injury to the lungs that develops in response to something else going badly wrong: blood poisoning…

A small gland sits on top of each kidney: the adrenal gland. Its outer layer makes hormones without which the body cannot hold its blood pressure, loses salt…

The wall of the womb is built from two different layers: the inner lining, which thickens each month and comes away with the period, and the thick muscle…

ADHD is not a childhood-only condition. In a substantial proportion of people the symptoms persist into adulthood, though they change shape: visible…

ADHD is a neurodevelopmental condition affecting the ability to sustain attention, control impulses and regulate activity.

At the centre of the retina there is a patch only a few millimetres across — the macula. It is what you read with, what lets you recognise faces and pick out…