A man is sitting in a chair while a physician and two assistants extract a blood sample from his right arm. Verso: WHO/17740. World Health Day 1978. Down With High Blood Pressure. Hypertension, or high blood pressure, is a silent, secret threat ti the health of people around the world. Presenting no symptoms in its early stages, hypertensuion often passes unnoticed. However, its complications are among the most important causes of death and incapacity in many parts of the world. Taking blood sample for cholesterol measurement.
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World Health Organization; Source: Record; Research date: 20151027