The next time you eat anything out of a can, think about this study: Researchers at Harvard found that levels of BPA (bisphenol-A) had a 1,221% increase in urine levels after eating canned soup once daily for 5 days. BPA is commonly found in the lining of bottles and cans. Recently, manufacturers have voluntarily removed this substance from baby bottles, but not from commonly used containers such those used for canned foods.
BPA is a known endocrine disruptor, as well as being linked to increased rates of cancer. These molecules mimic estrogen and stimulate estrogen receptors artificially. In the process, it can also suppress progesterone levels, which can alter one’s sleep-breathing status by lowering your upper airway muscle tone, particularly the genioglossus muscle of the tongue.
Since the combination of estrogen and progesterone have protective effects on upper airway muscle tone, any disruption of this delicate balance can affect how well you breathe at night. Having artificial levels of a synthetic estrogen can suppress natural estrogen function as well. The end result can have a subtle, but significant effect on your sleep quality.
Another good reason to eat organically.