Children suffer the effects of noise, vibration, overexertion, poor ventilation, and exhaustion. Preventative measures can be taken based on biomechanical knowledge to limit possible overexertion injuries. In both adults and children, overexertion causes sweating and thus increases heat loss. Jayal died of pulmonary oedema caused by overexertion on this expedition at Camp I. It can occur by overexertion or by an injury or trauma to the thorax. Early experiments suggested that tennis elbow was primarily caused by overexertion. In 1877, he left parliament because of problems with his health, suffering from overexertion. In 1831 overexertion and disease shattered Aikenhead's health, leaving her an invalid. Later during the episode, Miyuki collapsed from overexertion playing with Mii. Two people died from overexertion while clearing snow in Milwaukee, Wisconsin. Overexertion causes more than 3.5 million injuries a year. He became ill from overexertion, and died in Saint-Denis on 10 November 1808. Overexertion continues to be a leading cause of injury over all age groups.