Lactose intolerance, also called lactase deficiency, means you aren't able to fully digest the milk sugar (lactose) in dairy products. It's usually not dangerous, but symptoms of lactose intolerance can be uncomfortable.
Laryngitis is an inflammation of your voice box (larynx) from overuse, irritation or infection.
The brain and eyes have to work together to produce clear vision. If the brain favors one eye — usually due to poor vision in the other eye — the weaker eye tends to wander inward or outward.
Lead poisoning occurs when lead builds up in the body, often over a period of months or years. Even small amounts of lead can cause serious health problems. Children under the age of 6 are especially vulnerable to lead poisoning, which can severely affect mental and physical development.
Left ventricular hypertrophy is enlargement (hypertrophy) of the muscle tissue that makes up the wall of your heart's main pumping chamber (left ventricle).
First identified in 1976 as the result of an outbreak of pneumonia at an American Legion convention, Legionnaires' disease is a severe form of pneumonia. Legionnaires' disease is caused by a bacterium known as legionella.
Leukemia is cancer of the body's blood-forming tissues, including the bone marrow and the lymphatic system.
Lewy body dementia shares characteristics with both Alzheimer's disease and Parkinson's disease. Like Alzheimer's, it causes confusion. Like Parkinson's, it can result in rigid muscles, slowed movement and tremors.
Lice are tiny, wingless, parasitic insects that feed on your blood. Lice are easily spread — especially by schoolchildren — through close personal contact and by sharing belongings.
It's possible that you've had a food-borne illness called listeria infection (listeriosis) and not even known it. That's because when this illness causes symptoms, they're usually mild and can be easily mistaken for other illnesses, such as flu.
Liver cancer is cancer that begins in the cells of your liver. Your liver is a football-sized organ that sits in the upper right portion of your abdomen, beneath your diaphragm and above your stomach.
Simple liver cysts — fluid-filled cavities in the liver — usually cause no signs or symptoms and need no treatment. However, they may enlarge enough to cause pain or discomfort in the upper right part of the abdomen.
In this article I will look at Acute Liver Failure. In particular the causes of Acute Liver Failure, symptoms, diagnosis and finally the various treatment options available.
Low blood pressure, also called hypotension, would seem to be something to strive for. However, for many people, low blood pressure can cause symptoms of dizziness and fainting or mean that they have serious heart, endocrine or neurological disorders.
A woman's sexual desires naturally fluctuate over the years. Highs and lows commonly coincide with the beginning or end of a relationship or with major life changes, such as pregnancy, menopause or illness.
Low sperm count means that the fluid (semen) you ejaculate during an orgasm contains fewer sperm than normal. Low sperm count is also called oligospermia. Your sperm count is considered lower than normal if you have fewer than 20 million sperm per milliliter of semen.
In this article I detail what Lung Cancer is, what the risk factors are for developing Lung Cancer, the causes of Lung Cancer. What treatments for Lung Cancer are available and the management of Lung Cancer.
In this article, I detail what Lupus is, what are the risk factors for Lupus, what are the causes of Lupus, what treatments are available for Lupus and what management strategies are available for Lupus.
Lyme disease is an infection that is transmitted through the bite of a tick infected with a bacterium called Borrelia burgdorferi.