According to medical websites, 50 milligrammes – or the equivalent of one to two teaspoons – of the poison taken orally would be enough to kill a person weighing about 72kg.(iStock.com) A man who for…

According to medical websites, 50 milligrammes – or the equivalent of one to two teaspoons – of the poison taken orally would be enough to kill a person weighing about 72kg.(iStock.com) A man who for…