Scary coffee headline of the week: Two cups to incontinence

This new article adds fuel of some sort to the ever-brewing debates as to whether coffee has tremendously good effects on people, or tremendously bad effects, or tremendously few effects, or all of the aforementioned, or none:

Urinary incontinence: Could two cups of coffee a day cause urinary incontinence in men?” Melanie Clyne, Nature Reviews Urology, epub January 15, 2013. The author writes:

“After controlling for age, risk factors, and potential confounders, a recent study of National Health and Nutritional Examination Surveys (NHANES) data has demonstrated a link between caffeine intake of ≥234 mg/day (equivalent to less than two cups of coffee) and moderate or severe urinary incontinence in men.”

BONUS: A diagrammatic look (by the US National Kidney and Urologic Diseases Information Clearinghouse (NKUDIC)) at the region of concern. The effects of coffee are or are not plainly visible: