The disease is normally caused by the body's own immune system turning on the adrenal gland, but cancer and tuberculosis can also trigger the condition.

BBC: Living with Addison's disease

One form causes disease in humans, another is swallowed by mosquitoes, still another form reproduces, others move through the insect's intestines, and yet another enters the salivary gland of the mosquito and infects people.

BBC: Infected flies boost malaria hope

Novartis says it hopes next year to apply for approval for three additional drugs for various tumors types, including a new treatment for ovarian cancer, a new lymphoma medicine and a drug for Cushing's disease, a benign tumor in the pituitary gland.

FORBES: Magazine Article

"When you irradiate a young child's brain, say less than 5 years old, you hit the pituitary gland, which controls growth hormone production, " he said.

CNN: Study: Childhood cancer survivors less likely to marry

Melatonin products are usually synthetic versions of the hormone made naturally by the pineal gland, in the brain, which helps regulate the body's sleep-wake cycle.

CNN: Should your teen take melatonin for help with sleep?

The thyroid is a butterfly-shaped gland located in the front of the neck just below the Adam's apple.

CNN: Tipper Gore released from hospital

This gland is "switched off" during IVF treatment because it controls a woman's own hormone production, preventing any activity which could interfere with treatment which artificially stimulates the ovaries to release an egg.

BBC: NEWS | Health | IVF 'works better in the summer'

Commercial trials are under way on Affectiva's skin-conductance sensors, wristwatch-size devices that detect emotional engagement by measuring tiny changes in sweat-gland activity.

FORBES: Magazine Article

Type I diabetes is thought to be an "autoimmune" disease in which the body's own immune system - which is meant to fight foreign threats like bacteria - turns on the cells in a gland called the pancreas.

BBC: 'Thriving' babies in diabetes risk