ENV221H1 Lecture Notes - Lecture 13: Lead Poisoning, Bioaccumulation, Constipation
Document Summary
Lead sources include: paint, gasoline, contaminated souls, drinking water from systems with old lead plumbing lead poisoning interferes with normal development of the brain. *lead sticks around for a long time does not dissolve lead poisoning symptoms: headaches, irritability, reduced sensations, aggressive behavior, difficulty sleeping, ab pain, poor appetite, constipation, anemia. Highly toxic element that is found both naturally and as introduce contaminant in the environment. One of the most potent persistent bioaccumulatives it is believed that human activities have 2x or 3x the amount of mercury in the atmosphere. ~60% of atmospheric mercury emissions transported far beyond sources. People also exposed to mercury through eating contaminated fish and wildlife at top of the aquatic food chain. Disruption occurs when synthetic chemical mimics or blocks hormones and disrupts the body"s normal functions: after normal hormone levels halt or stimulate production of hormones, changing way hormones travel through the body.
