Kathmandu. The Nepal Medical Association (NMA) has expressed serious concern over the detection of lead (a substance harmful to human health) in commonly used toothpastes and various cosmetic products.The Association demanded that the Government of Nepal strictly regulate the quality of such materials, which could seriously affect the health of the general public, including children, citing a recent study report published by the Center for Public Health and Environmental Promotion (CEPHED) that revealed alarming facts.In a statement issued today, the NMA stated that the revelation that lead exceeding internationally accepted standards was found in 31% of samples collected from shops...