国务院经贸委和卫生部早已联合发出通知，要求全国各地停止生产销售以萘为主要原料的卫生球。可是至今这种卫生球仍在市场上销售，严重危害了人体健康。专家们对萘丸的毒性作了研究，试验表明，长期吸入较高浓度的含萘空气，可使动物血象改变。这种卫生球如长期与皮肤接触，还 Economic and Trade Commission of the State Council and the Ministry of Health have already jointly issued a circular calling for halting the production and marketing of health balls containing naphthalene as the main raw material throughout the country. But so far this health ball is still on the market, seriously endangering human health. Experts on the toxicity of naphthalene pills have been studied, tests show that long-term inhalation of higher concentrations of naphthalene-containing air, animal blood can change. Such health ball as long-term contact with the skin, also