Overweight teenagers in America are now undergoing laparoscopic gastric band surgery, a weight-loss procedure that isn’t even approved for anyone under 18 years old. But one California study last year found that gastric band operations for patients as young as 13 had increased seven-fold over the previous five years.
In gastric band surgery, an inflatable silicon ring is placed around the upper portion of the stomach. This creates a smaller stomach, which makes people feel full sooner and reduces the amount they eat. And there’s big money in those little rings. Allergan, the company that manufactures the Lap-Band® device, has estimated that sales of its obesity intervention products will top $240 million in 2011. Continue reading
As a good Catholic girl at Mount Mary Immaculate Academy, I studied Latin for five years in school, and still have a particular affection for this dead language. So does science. Take the medical field, for example, and its common Latin phrase “post hoc ergo properter hoc”, which means “after this, therefore because of this”.
This belief is applied by researchers when they conclude that because a result happened after something else happened, the ‘something else’ must have caused the result. But in medicine, as in life, we know that correlation does not equal causation.
For example, the weekend before my first heart attack symptoms, I attended a birthday party (my own) where we celebrated the occasion by enjoying lots of very good wine and my friend Lynnie’s gorgeous homemade birthday cake. If correlation did in fact equal causation, we might reasonably conclude that wine and birthday cake are in fact the causes of heart attack. Continue reading