A number of reasons that all contribute… men are more likely to be killed in war or on the job; men are less likely to proactively seek medical attention for an issue (this chest pain is probably just indigestion) or see a doctor regularly; men are more likely to eat more, less healthy foods (ie. ordering the steak when wife orders a salad); hormonal differences that contribute to different or worse outcomes from various potentially deadly illnesses/conditions.
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