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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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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.

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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

A missense mutation that converts the normal ras gene into an oncogene. A missense mutation that converts the normal ras gene into an oncogene.
2006 Data:Top 25 Substances Involved in Human Exposures 2006 Data:Top 25 Substances Involved in Human Exposures
Nine pulse sites on the human body. Nine pulse sites on the human body.
Cancerous cells versus normal cells Cancerous cells versus normal cells
Normal red blood cells (round) and sickled red blood cells Normal red blood cells (round) and sickled red blood cells
Some skeletal differences between a knuckle-walking gorilla and a bipedal human Some skeletal differences between a knuckle-walking gorilla and a bipedal human
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

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