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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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.