Friday, March 16, 2007

It's not the beer, it's the soap

ScienceDaily: Obesity In Men Linked To Common Chemical Found In Plastic And Soap

From the above article:

Phthalates have been widely used for more than 50 years, but only recently implicated as a possible health risk in people. Animal studies have shown consistently that phthalates depress testosterone levels. Recent human studies have found that phthalates are associated with poor semen quality in men and subtle changes in the reproductive organs in boy babies. This connection between phthalates and testosterone helped to establish a basis for the study, Stahlhut said.

Stahlhut's group hypothesized that phthalates might have a direct link to obesity, since low testosterone appears to cause increased belly fat and pre-diabetes in men....

The analysis found that, as expected, several phthalate metabolites showed a positive correlation with abdominal obesity. Indeed, men with the highest levels of phthalates in their urine had more belly fat and insulin resistance. Researchers adjusted for other factors that could influence the results, such as the mens' age, race, food intake, physical activity levels and smoking.

Pretty surprising, hey?

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