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.
World Parnoug. gand. When it comes to white, powdery sand, nothing. compares with Siesta Key, Florida. In fact, in the. Great International Sand Challenge held in 1987, Siesta Key's Crescent Beach was rated The World's. Finest, Whitest Sand, beating out more than 30 other. entries, including the Bahamas and Grand Cayman.