Ms Haskins said that ranitidine's chemical structure is 'inherently unstable' and can break down during digestion and produce the cancer-causing agent NDMA. Joseph Galimidi, a rabbi from South ...

GSK launched Zantac in 1981 and it was first approved for sale in the US in 1983 as a prescription medication. It went on to become the world's best-selling drug, with annual sales in excess of $1bn.