A recent study published in the Journal of the American Medical Association says if men have just the right amount of estrogen, their heart health can improve. Too little or too much estrogen, though, can prove to be damaging. For the study, researchers looked at men who had heart failure and analyzed their vital signs.

Men who had the smallest amount of estrogen in their systems were almost four times as likely to die of heart failure than men who had average levels of estrogen. The men who had the highest levels of estrogen had about twice the risk of dying than men with an average amount of estrogen. Men who had the average level had no increased risk of dying from heart failure. For the study, researchers studied more than 500 men in Poland. The participants averaged about 58 years in age and all had pre-existing heart problems.
In the year following the study, about 170 of the men died.

Researchers separated those who died into three different groups based on low, high and normal estrogen levels. The middle group had an 82 percent survival rate. The group with the lowest estrogen scores only had a 44 percent survival rate, while the group with the highest estrogen levels had a
63 percent survival rate.