It was only recently following prostate problems that the department have decided to have a follow up scan and tests in six months.

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The same chemicals that ease your throat could also lead to insomnia, put more stress on the heart and lead to prostate problems in some men, Overholt said.

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And in retrospective studies, he says, it's harder to control for common risk factors-- such as diet-- that might contribute to both prostate cancer and heart problems.

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