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.
The Forgotten Stones of Baalbek, Lebanon. âThe Stone of the Southâ at Baalbek, Lebanon is the largest worked monolith on Earth, weighing in at a staggering 1242 tons. It is even heavier than the âStone of the Pregnant Womanâ which weighs an estimated 1000 tons, that sits on the other side of the road in the quarry.