Social & Preventive Medicine All of the following statements regarding case control and coho studies are true, Except – A Cohos are chosen based on history of `Exposure' B Coho studies require longer time frame than case control studies C Coho studies are suitable to investigate 'rare' disease D Coho studies yield information about more than one disease π‘ Explanation All of the following statements regarding case control and coho studies are true, Except - β Correct Answer: C. Coho studies are suitable to investigate 'rare' disease