Tuesday, May 12, 2009

The trouble with mercury

Dangerous Mercury Spills Still Trouble Schoolchildren: Scientific American

Interesting article here about the big problems caused by people playing with mercury. This bit was news to me:

Some Caribbean religions and folk healers use mercury because they believe its supernatural powers bring good luck and drive away evil spirits. Practitioners apply mercury to the skin, add it to candles or sprinkle it around the home.

About 38 percent of 900 people mostly with Latino or Caribbean backgrounds reported that they used or knew someone who used mercury for religious, spiritual, or health purposes, according to a survey by John Snow, Inc., a Boston health consulting company. The ATSDR report warns that "such use may lead to chronic mercury exposure among those who use it in this manner and for subsequent occupants of the contaminated homes."

"Imagine if you suspected that your apartment might have had a prior occupant that sprinkled mercury on the carpet a decade ago," said Arnold Wendroff, founder of the Mercury Poisoning Project, a website dedicated to the issue. "That's not something you want to live with."

Wendroff has tracked religious mercury use since 1989 after a young boy in a class he was teaching told him his mother sprinkled mercury on the floor of their home to keep away witches. These liquid good luck charms, which can be purchased at medicine shops called botanicas, are often found in 10-gram bottles. Mercury fever thermometers, in comparison, contain only a few grams (.5 to 3.0 g) of mercury.

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