A Professor of Community Medicine and Environmental Health at the University of Portharcourt, Best Ordinioha, has warned Nigerians against the consumption of herbal medicines and supplements containing mercury, noting that they pose serious health risks. The health expert said while many people think mercury is only contained in fluorescent bulbs, some herbal medicines and supplements been distributed and used by Nigerians also have mercury in them. “It cannot only reduce the intellectual capacity of the child but also cause problems with movement and a lot of other health problems. According to the World Health Organisation, Mercury is a naturally occurring element that is found in air, water and soil. The UN agency stated that mercury exposure – even in small amounts – may cause serious health problems, adding that it is a threat to the development of the child.