Eat a diet high in saturated fat and cholesterol
Eat very low-fiber foods
Skip meals or fast frequently
Lose weight rapidly
Follow crash diets
Be overweight or obese
Be female
Be pregnant
Be older in age
Have a family history of gallstones
Have diabetes
Have certain blood disorders
Have liver disease
Take estrogen-containing medications
Take certain cholesterol-lowering medications
Have inflammatory bowel disease
Have had bariatric surgery
Live a sedentary lifestyle