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Major depression is when five or more symptoms of depression are present for at least 2 weeks. These symptoms include feeling sad, hopeless, worthless, or pessimistic. In addition, people with major depression often have behavior changes, such as new eating and sleeping patterns. Major depression increases a person's risk of suicide.
Review Date:
5/29/2007
This is a condition in which depression is associated with absence of contact with reality (psychosis). This can take the form of false beliefs (delusions) or detecting something that isn't really there (hallucination). See also major depression and psychosis.
Review Date:
5/8/2006
Malabsorption is difficulty in the digestion or absorption of nutrients from food.
Review Date:
10/13/2006
Malaise is a generalized feeling of discomfort, illness, or lack of well-being. It can be associated with a disease. Malaise can be accompanied by a feeling of exhaustion, or of not having enough energy to accomplish usual activities.
Review Date:
1/18/2007
Malaria is a parasitic disease that involves high fevers, shaking chills, flu-like symptoms, and anemia.
Review Date:
6/20/2007
Malathion is a type of insecticide, a product used to kill or control bugs. Poisoning may occur if you swallow malathion, handle the product without gloves, or fail to wash hands soon after exposure. Significant amounts are absorbed through the skin unless proper precautions are taken.For information on general insecticide poisonings, see: Insecticides
Review Date:
10/24/2007
Male pattern baldness is the most common type of hair loss in men. It usually follows a typical pattern of receding hairline and hair thinning on the crown, and is caused by hormones and genetic predisposition.
Review Date:
4/12/2007
The term malignancy refers to cancerous cells that usually have the ability to spread, invade, and destroy tissue. Malignant cells tend to have fast, uncontrolled growth. Malignant cells that are resistant to treatment may return after being removed or destroyed.
Review Date:
4/27/2007
Malignant hypertension is usually defined as very high blood pressure with swelling of the optic nerve behind the eye. The swelling of the optic nerve behind the eye is called papilledema.
Review Date:
8/14/2007
Malignant hyperthermia is an inherited disease that causes a rapid rise in body temperature (fever) and severe muscle contractions when the affected person receives general anesthesia.This condition is not the same as hyperthermia due to medical emergencies such as heat stroke.
Review Date:
7/25/2007