Heat exhaustion may also produce a feeling of sickness, a fast heartbeat,breathing problems and pain in the head,chest or stomach.

VOA: special.2010.07.27

They will prevent sickness, help you feel better and may even save your life.

VOA: special.2010.07.27

The United Nations Environment Program said many inhabitants of towns in northeast Somalia suffered from diseases consistent with radiation sickness following a Tsunami in 2004, that may have stirred up tons of nuclear and toxic waste.

VOA: standard.2009.10.30

Worsley, who came on as a second-half replacement at Twickenham, joked that Lewsey "may have had altitude sickness or something" - a reference to his training for Everest.

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The program provides student-athletes with the opportunity to protect against future loss of earnings as a professional athlete, due to a disabling injury or sickness that may occur during the collegiate career.

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These trekking groups are often on a tight itinerary and may ignore the early symptoms of altitude sickness - headaches, loss of appetite - or may simply hide them because of peer pressure.

BBC: NEWS | Health | The highest hospital in the world