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.
Siesta Key Beaches. Siesta Beach is located on Beach Road on Siesta Key. Siesta Beach is known as one of the most beautiful beaches anywhere in the world. At the Great International White Sand Beach Challenge held in 1987, it was recognized as having the whitest and finest sand in the world.. As you can see in the photo below, the sand appears to be snow.