Cholecystitis (gallbladder inflammation)
Cholecystitis is an inflammation of the gallbladder, often caused by gallstones. It can be very painful and usually needs prompt treatment. Learn more here.
Cholecystectomy (gall bladder removal)
A cholecystectomy is surgery to remove the gallbladder, and is usually done using keyhole surgery. Find out how and why this operation is performed.
Oestrogen is a female sex hormone with many roles, including controlling puberty and strengthening bones. But too much or too little can cause medical problems.