![]() In fact, effects of neurological disorder could be irreversible and long lasting. However, both elemental and organic mercury can be readily cross the blood-brain barrier and the placenta to foetus, and be excreted in breast milk. The average half-life of mercury in human is about 60-70 days. Mercury and its compounds are eliminated gradually in urine and faeces. In addition, kidney damage can result in oedema, particularly in the ankles and legs. Progressive loss of memory and balance, insomnia, hand tremors and behavioural changes are common symptoms of its neurological effects. Exposure of high level of mercury can be fatal.Ĭhronic exposure to mercury can cause numbness and gradual decreases in the senses of touch, vision, hearing and taste. Other common symptoms are nausea, vomiting, abdominal pain, bloody diarrhea and renal damage. Owing to their corrosive nature, it can cause inflammation and necrosis of the oropharynx.
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