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A Poisonous Mix - Human Rights Watch

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Mercury traders provide mercury directly to children. Mariam D. in Worognan said:<br />

I work with mercury and touch it. The mercury, I was given by a trader…. He<br />

said mercury was a poison and we shouldn't swallow it, but he didn't say<br />

anything else... I am very tired when I work there [at the mine]. 124<br />

Another boy told us that he received mercury from the local trader. Oumar K. said he mixes<br />

mercury and the sandy ore and then takes the amalgam back to the trader, who burns it<br />

while Oumar K. watches. Asked about health risks, he said that he did not know that<br />

mercury is dangerous. 125<br />

Mercury Poisoning of Children in Artisanal Mines—an “Invisible Epidemic”<br />

Mercury, a toxic substance that attacks the central nervous system, is particularly harmful<br />

to children. It can cause, among other things, developmental problems. There is no known<br />

safe level of exposure. 126 Mercury can also attack the cardiovascular system, the kidneys,<br />

the gastrointestinal tract, the immune system, and the lungs. Symptoms of exposure to<br />

mercury include tremors, twitching, vision impairment, headaches, and memory and<br />

concentration loss. Higher levels of mercury exposure may result in kidney failure,<br />

respiratory failure, and even death. The chemical can also affect women's reproductive<br />

health, for example by reducing fertility and leading to miscarriages. 127 Most people are<br />

exposed to dangerous levels of mercury either through inhalation of mercury vapor or<br />

through the consumption of mercury-contaminated fish. 128<br />

Artisanal miners, including child laborers, are exposed to mercury through the inhalation of<br />

vapors that develop when the amalgam is smelted. They are also exposed to mercury through<br />

skin contact, though the health risk is less severe compared to inhalation of mercury vapor. 129<br />

Researchers have described mercury intoxication an “invisible epidemic.” 130<br />

124 <strong>Human</strong> <strong>Rights</strong> <strong>Watch</strong> interview with Mariam D., age 11, Worognan, April 8, 2011. The trader was probably ill-informed<br />

himself, since he did not mention that the most severe risk stems from inhalation of mercury vapor; swallowing metallic<br />

mercury is usually less dangerous.<br />

125 <strong>Human</strong> <strong>Rights</strong> <strong>Watch</strong> interview with Oumar K., estimated age 14, Sensoko, April 4, 2011.<br />

126 Stephan Bose-O’Reilly et al., “Mercury Exposure and Children’s Health,” Current Problems in Pediatric and Adolescent<br />

Health Care, vol. 40, (2010), pp. 186-215.<br />

127 “Mercury Toxicity and How it Affects Our Health”, 1998, http://www.mercurysafety.co.uk/hlthinfo.htm (accessed<br />

September 8, 2011)<br />

128 Marcello Veiga and Randy Baker, “Protocols for Environmental and Health Assessment of Mercury Released by Artisanal<br />

and Small-Scale Gold Miners”, Global Mercury Project, 2004,pp. 68-74.<br />

129 Ibid.<br />

130 Samuel J. Spiegel, “Occupational Health, Mercury Exposure, and Environmental Justice: Learning from Experiences in<br />

Tanzania”, American Journal of Public Health, vol. 99, supplement 3, (2009), pp. 550-558.<br />

A POISONOUS MIX 36

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