Leukemia is cancer of the white blood cells. There are two types of Leukemias, acute and chronic. Learn about the differences and treatments available. READ MORE
Legionnaires' Disease (Legionella Pneumonia) is caused by bacteria. You get it by breathing in mist from water that contains the bacteria. Learn more. READ MORE
Leg injuries and leg disorders can affect the whole leg or just one part. Read about common leg injuries such as sprains, strains, and fractures. READ MORE
Learning disabilities affect how people understand, remember and respond to information. Learn more on how to identify and cope with learning disabilities. READ MORE
Breathing air, drinking water or eating food that contains lead can cause health problems. Find a list of scenarios that can lead to lead poisoning. READ MORE
A latex allergy causes rashes, asthma, or even anaphylaxis. Hundreds of everyday products contain latex. Learn what you need to know to avoid latex. READ MORE
Laser eye surgery (LASIK) is surgery to improve your vision. You may no longer need glasses or contacts. Learn about the types and who can get it. READ MORE
Lactose intolerance means that you cannot digest foods with lactose in them. Lactose is the sugar found in milk and foods made with milk. Read more. READ MORE
Knee replacement surgery (or knee arthroplasty) provides artificial knees in place of your damaged knees to restore function and relieve pain. READ MORE