Primary prevention of heart attack.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003327:Coronary Disease / Q000453:epidemiology / Q000517:prevention & control*; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D012306:Risk; D012907:Smoking; D006113:United Kingdom