Health Conditions

Lung transplant

A lung transplant is an operation to remove and replace a diseased lung with a healthy human lung from a donor.

Lyme disease

Lyme disease, or Lyme borreliosis,is a bacterial infectionspread to humans by infected ticks.

Lymphoedema

Lymphoedema is a long-term ( chronic) condition that causes swelling in the body's tissues. It can affect any part of the body, but usually develops in the arms or legs.

Lymphoma, Hodgkin

Hodgkin lymphoma is an uncommon cancer that develops in the lymphatic system, which is a network of vessels and glands spread throughout your body.

Macular degeneration

Age-related macular degeneration (AMD) is a painless eye condition that causes you to lose central vision, usually in both eyes.

Macular degeneration

Macular hole

Retinal detachment A macular hole isa small gap that opens up at the centre of the retina,in an area called the macula.

Magnesium test

A magnesium test is used to measure the amount of magnesium in your blood.

Malaria

Malaria is a serious tropical disease spread by mosquitoes. If it isn't diagnosed and treated promptly, it can be fatal. A single mosquito bite is all it takes for someone to becom…

Male breast cancer

Breast cancer is often thought of as a condition that only affects women, but men can also develop it.

Male thrush

Thrush is a yeast infection caused by a fungus called Candida albicans. Both men and women can get thrush, though it is more often associated with women.

Mallet finger

Mallet finger is an injury to the end of the finger that causes it to bendin the direction ofthe palm.

Malnutrition

Malnutrition is a serious condition that occurs when a persons diet doesn't contain the right amount of nutrients.

Mammography

About one in eight women in the UKare diagnosed with breast cancer during their lifetime.There's a good chance of recovery if it's detected in its early stages.

Maple syrup urine disease

Maple syrup urine disease (MSUD) is a rare but serious inherited condition.

Marfan syndrome

Marfan syndrome is a disorder of the body's connective tissues a group of tissuesthat maintain the structure of the body and support internal organs and other tissues.

Mastalgia

Breast pain, also called mastalgia, affects most women at some point.

Mastectomy

A mastectomy is an operation to remove the breast.

Mastitis

Mastitis is a condition which causes a woman's breast tissue to become painful and inflamed. It's most common in breastfeeding women, usually within the first three months after gi…

Mastocytosis

Mastocytosis is a rare condition caused by an excess number of mast cells gathering in the body's tissues.

Mastoiditis

Mastoiditis is a serious bacterial infection that affects the mastoid bone behind the ear. It's more common in children.

Median nerve compression

Carpal tunnel syndrome (CTS) is a common condition that causesa tingling sensation,numbness and sometimes pain in the hand and fingers.

Medicines information

As medicines are a crucial part of medical treatment, it is important to have a good understanding of them.

Medium-chain acyl-CoA dehydrogenase deficiency (MCADD)

MCADD is a rare genetic condition where a person has problems breaking down fat to use as an energy source.