Water retention can occur due to any of the following reasons: 1  An unbalanced diet and lack of exercise. 2  Reaction to some drugs can cause fluid retention too. 3  Dehydration: as the body tries to keep the extra water. 4  Menopause is often associated with water retention in women. 5  Diseases like Thyroid, Arthritis and Varicose Veins.
Types of gallstones. Types of gallstones that can form in the gallbladder include: 1  Cholesterol gallstones. 2  The most common type of gallstone, called a cholesterol gallstone, often appears yellow in color. 3  These gallstones are composed mainly of undissolved cholesterol, but may contain other components.t's not clear what causes gallstones to form. Doctors think gallstones may result when: 1  Your bile contains too much cholesterol. 2  Normally, your bile contains enough chemicals to dissolve the cholesterol excreted by your liver.
Gallstones are stones or lumps that develop in the gallbladder or bile duct when substances in there harden. Some of the chemicals which exist in the gallbladder, such as cholesterol, calcium bilirubinate, and calcium carbonate, solidify into either one large stone or several small ones. Pigment gallstones-these form when the bile has too much bilirubin. 2  They are more common among patients who have liver disease, infected bile tubes or blood disorders, such as sickle-cell anemia.