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The familiar sounds of your heart are made by the heart's valves as they open and close.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.