Re: Great explanation and very interesting.

Good info. Thanks for sharing.

Also..... from: http://digestive.niddk.nih.gov/ddiseases/pubs/gallstones/

"Other Factors

It is believed that the mere presence of Gallstones may cause more Gallstones to develop. However, other factors that contribute to Gallstones have been identified, especially for cholesterol stones.

* Obesity. Obesity is a major risk factor for gallstones, especially in women. A large clinical study showed that being even moderately overweight increases the risk for developing gallstones. The most likely reason is that obesity tends to reduce the amount of bile salts in bile, resulting in more cholesterol. Obesity also decreases gallbladder emptying.

* Estrogen. Excess estrogen from pregnancy, hormone replacement therapy, or birth control pills appears to increase cholesterol levels in bile and decrease gallbladder movement, both of which can lead to gallstones.

* Ethnicity. Native Americans have a genetic predisposition to secrete high levels of cholesterol in bile. In fact, they have the highest rate of gallstones in the United States. A majority of Native American men have gallstones by age 60. Among the Pima Indians of Arizona, 70 percent of women have gallstones by age 30. Mexican American men and women of all ages also have high rates of gallstones.

* Gender. Women between 20 and 60 years of age are twice as likely to develop gallstones as men.

* Age. People over age 60 are more likely to develop gallstones than younger people.

* Cholesterol-lowering drugs. Drugs that lower cholesterol levels in blood actually increase the amount of cholesterol secreted in bile. This in turn can increase the risk of gallstones.

* Diabetes. People with diabetes generally have high levels of fatty acids called triglycerides. These fatty acids increase the risk of gallstones.

* Rapid weight loss. As the body metabolizes fat during rapid weight loss, it causes the liver to secrete extra cholesterol into bile, which can cause gallstones.

* Fasting. Fasting decreases gallbladder movement, causing the bile to become overconcentrated with cholesterol, which can lead to gallstones.

Who is at risk for gallstones?

* women
* people over age 60
* Native Americans
* Mexican Americans
* overweight men and women
* people who fast or lose a lot of weight quickly
* pregnant women, women on hormone replacement therapy, and women who use birth control pills"



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