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Interior view of a seminar room: a man is lecturing, with the aid of slides, on the effects of smoking on the lungs. Verso: WHO/17335. World Health Day 1978 - Down with high blood pressure. Hypertension, or high blood pressure, is a silent, secret threat to the health of people arounf the world. Presenting no symptoms in its ealy stages, hypertention often passes unnoticed. However, its complications are the most important causes of death and incapacity in many parts of the world. Health education: Tobacoo, as well as hypertention, may cause health disease.
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World Health Organization; World Health Organization website