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Leptospirosis is a bacterial infection that is usually spread through water, food, or soil contaminated by the urine of infected

Lactase is an enzyme needed to convert milk sugar (lactose) into simple sugars that the body can use (glucose and galactose)

A lactation consultant or specialist is often a nurse who has been trained to teach and advise women about breastfeeding

Lactose intolerance is a problem that makes it hard to digest lactose. Lactose is a sugar found in dairy products. This condition

Language delay means that a child is not able to use words or other forms of communication to share thoughts and feelings at the

Laparoscopy is a surgical technique in which a lighted viewing instrument (laparoscope) is inserted into the lower abdomen through

A laser is a highly focused beam of light that is used to cut or destroy tissue during a medical procedure. Laser light cleans

LDL (low-density lipoprotein) is sometimes called "bad" cholesterol. A high LDL cholesterol level can raise your risk for coronary

Exposure to lead paint (lead-based paint), which was widely used in many homes and apartments before 1978, can damage the body's

Lead poisoning is the name given to the harm caused by too much lead in the body, usually from months or years of exposure to