Some lots of the diabetes medication metformin were placed under voluntary recall on Wednesday by U.S. distributor, Bayside Pharmaceuticals.
Lupin Pharmaceuticals is the second company in three days to recall the drug, designed to improve blood glucose levels, because of high levels of impurities that can cause cancer.
Researchers found that toxins in U.S. waterways could equate to four cases of cancer in a lifetime for every 100,000 U.S. citizens. However, some experts question these claims.
"The stupid warnings only damage the reputation of good health advice," says David Spiegelhalter.
The judge ruled that coffee companies had failed to demonstrate there was no significant risk from a by-product of the coffee bean roasting process.
And despite what you may have read, neither is nearly as bad for you as smoking cigarettes.