As space tourism takes off, scientists warn of health risks

A human body exposed to the rigours of outer space would not last long: you would fall unconscious after 10-15 seconds as the air was sucked out of your lungs, the lack of pressure would quickly cause your bodily fluids to heat up - so your blood would literally boil - although you would probably be dead first. But keep your space suit on, stay inside the shuttle, and all should be ok? Not quite, as it turns out that even the best-protected space travellers are more likely to get sick than those who keep their feet on the ground, according to Canadian physicians and biologists. In research fun...