low fat low caloric diet may promote gallstones

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Vegetarians beware!

Gallbladder kinetics in obese patients/Effect of a regular meal and low-calorie meal", Leonardo Marzio et al., January 1988, Vol 33, Issue 1, pp 4–9

Quote:

A low-calorie, low-fat diet augmenting gallbladder volume may favor bile stasis and therefore the likelihood of developing gallstones.