several factors may come together to create gallstones including: genetics (others in your family have had gallstones) body weight decreased motility (movement) of the gallbladder diet gallstones can form when there is an imbalance in the substances that make up bile. for instance cholesterol stones may develop as a result of too much cholesterol in the bile. another cause may be the inability of the gallbladder to empty properly. pigment stones are more common in people with certain medical conditions such as cirrhosis (a liver disease in which scar tissue replaces healthy liver tissue) or blood diseases such as sickle cell anemia.
what causes gallstones?