Condition Library
Conditions starting with L
29 health topics beginning with the letter L.
- Laboratory TestsLaboratory tests help doctors determine what is going on within your body. Many factors affect test results. Find a list of those factors.
- Lactose IntoleranceLactose 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.
- Laser Eye SurgeryLaser 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.
- Latex AllergyA latex allergy causes rashes, asthma, or even anaphylaxis. Hundreds of everyday products contain latex. Learn what you need to know to avoid latex.
- LDL: The "Bad" CholesterolLDL, or low-density lipoprotein, is the "bad" cholesterol. A high LDL level can lead to a buildup of cholesterol in your arteries.
- Lead PoisoningBreathing air, drinking water or eating food that contains lead can cause health problems. Find a list of scenarios that can lead to lead poisoning.
- Learning DisabilitiesLearning disabilities affect how people understand, remember and respond to information. Learn more on how to identify and cope with learning disabilities.
- Leg Injuries and DisordersLeg injuries and leg disorders can affect the whole leg or just one part. Read about common leg injuries such as sprains, strains, and fractures.
- Legionnaires' DiseaseLegionnaires' Disease (Legionella Pneumonia) is caused by bacteria. You get it by breathing in mist from water that contains the bacteria. Learn more.
- LeishmaniasisLeishmaniasis or leishmania, also known as Kala-azar is a parasitic disease spread by the bite of infected sand flies.
- LeukemiaLeukemia is cancer of the white blood cells. There are two types of Leukemias, acute and chronic. Learn about the differences and treatments available.
- LeukodystrophiesLeukodystrophies are rare diseases that affect the cells of the brain and are often genetic. Find more information on these progressive diseases.
- Lewy Body DementiaLewy body dementia (LBD) is one common cause of dementia. In LBD, protein deposits build up in the brain. Read about the symptoms and what can help.
- Limb LossLimb loss and amputations have different causes including birth defects, cancer and injuries. Physical therapy and counseling may help with recovery.
- Lipid Metabolism DisordersLipids include fats, oils, and cholesterol. Disorders like Gaucher disease and Tay-Sachs cause problems with how your body uses lipids. Read more.
- Listeria InfectionsListeria infections are caused by bacteria found in raw and processed foods. Find a list of symptoms and treatments that can help reduce your risk.
- Liver CancerThe most common form of liver cancer in adults is hepatocellular carcinoma. Learn about diagnosis, treatment and taking part in research studies.
- Liver DiseasesGet the facts about liver diseases, such as hepatitis, cancer, and cirrhosis. Know your risk and what you can do to prevent liver problems.
- Liver TransplantationUnderstand the facts about liver transplantation. Read about risks, outlook and the process for getting a liver transplant.
- Living with HIVInfection with HIV is serious, but the outlook is improving. Discover the many things you can do to help ensure you have a longer, healthier life.
- Low Blood PressureSome people have low blood pressure (hypotension). It is only a problem if it causes dizziness, fainting, or shock. Learn about what can cause it.
- Lung CancerLung cancer forms in tissues of the lung, usually in the cells that line the air passages. It is the leading cause of cancer death in both men and women.
- Lung DiseasesLung diseases are disorders or infections that affect the lungs and cause breathing problems. Some can lead to respiratory failure. Find out more about prevention, living with lung diseases, and treat
- Lung TransplantationA lung transplant removes a diseased lung and replaces it with a healthy one. Discover what to expect before, after, and during a lung transplant.
- LupusLupus is an autoimmune disease that causes your immune system to attack your healthy tissues and cells. This can cause damage to many parts of your body.
- Lyme DiseaseLyme disease is an infection you get from tick bites. The first symptom is usually a rash. Learn about Lyme disease symptoms and treatment.
- Lymphatic DiseasesLymphatic diseases can affect your lymph, lymph vessels, or lymph nodes. Lymphatic system problems include lymphedema and swollen glands. Learn more.
- LymphedemaLymphedema is the name of a type of swelling that happens when lymph builds up in your body's soft tissue. Discover causes and treatment options.
- LymphomaLymphoma is a cancer affecting the immune system. Hodgkins Lymphoma and Non Hodgkins Lymphoma are types of lymphoma. Learn about symptoms and treatments.
Source: MedlinePlus.gov, U.S. National Library of Medicine.