MRFIT clinical trial for CHD was conducted in which country?: (A) USA, (B) Finland, (C) Norway, (D) UK
Answer is A. - The Multiple Risk Factor Intervention Trial (MRFIT) was one of the coronary hea disease prevention trials recommended to the National Hea and Lung Institute in 1971 as an alternative to a national single-factor dietary trial, which was judged to be infeasible. - MRFIT carried out in USA was aimed at high risk adult males aged 35-57 years.