Microplastics are a source of poisons that can potentially enter a human body through sweat, according to scientists based in Britain, who warned of “potential adverse effects” such as endocrine disruption and cancer. Sweat appears to leach toxic brominated flame retardants from microplastics, making them “potentially available to be absorbed through skin,” a University of Birmingham team has found, after carrying out experiments using “common forms of plastic” which were tested with synthetic sweat made in a laboratory. The tests showed the effect to be made worse by antiperspirants and found…