As doctors warn it can cause a dangerous reaction with a host of common drugs... 1  Researchers warn that grapefruit reacts with many medicines. 2  The fruit can cause devastating side-effects from stomach bleeding to kidney problems. 3  Doctors say the public is ignorant to the dangers and putting themselves needlessly at risk.
According to the definition of the question (based on light reflection and not light emission), a well-polished mirror is the the whitest substance on earth. The main reflection layer is usually made out of silver.
Just over 100 miles from sprawling Sydney is the whitest beach in the worldâat least according to Guinness World Records. Beachgoers head to this beach on Jervis Bay for more than just white sand thoughâyou may even spot some whales.