Obesity's Link to Life Expectancy
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Potential contribution of contamination
While it's easy to point to tobacco and obesity as the drivers of this trend, other factors are implicated also.
For example, many of your readers will have encountered news these past two weeks about the health risks of bisphenol A (BPA), the estrogenic compound that leaches from polycarbonate plastic bottles, including baby bottles, and from the lining of food cans.
Research with animals links BPA to both breast cancer and obesity, as well as to errors in insulin metabolism that lead to type 2 diabetes.
This research indicates that early life exposure to BPA, in the womb and in infancy, causes change in gene behavior can lead to diseases much later in life. The scientists who work on this compound have been recommending a full-scale assessment of its risks, and now the federal governments of the US and Canada appear to be responding. Canada, in fact, has indicated it is going to take polycarbonate baby bottles off the market. All over North America consumers are avoiding BPA-based products. Fortunately, there are replacements.
