Men suffer the same neurological effects and immune deficiencies from prolonged exposure to mercury as women; however, studies have also shown that men that are exposed to mercury suffer cardiovascular problems as well. The New England Journal of Medicine found in a case study done on over 400 men from eight European countries and Israel, that mercury levels were directly associated with increased risk of heart attacks.

A study published by the American Heart Association found a 50-70% greater risk of heart attacks, heart disease, and cardiovascular disease in men ages 42 to 60 who had elevated levels of mercury in their body.  The study found that the men with the highest mercury levels ate twice as much fish as the rest of the men in the study.  The study concluded that the health benefits of Omega 3 fatty acids found in fish appeared to be more than offset by the disadvantages of high levels of mercury in the these men.