Not exactly drug induced or a mental Illness but Ronald Fisher, arguably the father of modern statistics, went to great lengths to prove cancer caused smoking d

Not exactly drug induced or a mental Illness but Ronald Fisher, arguably the father of modern statistics, went to great lengths to prove cancer caused smoking due to his personal convictions[1]. [1] http://www.epidemiology.ch/history/PDF%20bg/Stolley%20PD%201991%20when%20genius%20errs%20-%20RA%20fisher%20and%20the%20lung%20cancer.pdf http://www.epidemiology.ch/history/PDF%20bg/Stolley%20PD%201... Even when you're talking about geniuses it's important to separate the wheat from the chaff.