Gently massaging premature babies may boost their immune systems.

The Nobel Prize committee is not changing its decision to award the 2011 prize in medicine to a recipient that died days before the announcement.

Getting a massage might boost your immune system

Eating chocolate may cause changes in the immune system, which can aggravate acne.

Nasty pathogen has a trick to avoid the immune system.

Technique could help prevent body from attacking helpful implants and treatments.

Immune cells provide free rides for invading parasites.

The yogurt section in the grocery store has gotten pretty complicated.

Research has linked immune system strength to how many colds a baby has in the first year of life.

They're macho, but Tsimane tribesmen have lower testosterone than American men.