Home > Lifestyle > Travel health Travel health All sections in Travel Health » Conditions of concern » Modes of Travel » Travel diet and fitness » General Travel Advice » Travel Health News Altitude can be a killer Climbers and extreme adventurers test the limits of human endurance, but less intrepid trekkers often face the same forces of nature Travel health News Car drivers often unaware of motorcycles Many car drivers who have just crashed into a motorcycle claim they didn't see the other vehicle. More in Travel health News Cruise ship returns to US after disease outbreak Suspected norovirus strikes cruise passengers Mosquito-borne virus spreading in Caribbean Ralph Lauren's niece forces plane to land Conditions of concern Altitude sickness Altitude sickness, also called mountain sickness, is an illness that occurs when the body is unable to adjust to high elevations. Symptoms of mountain sickness range from a mild headache and fatigue to a life-threatening build-up of fluid in the lungs or brain. See all Conditions of concern » Travel diet and fitness 6 bizarre foods Sampling new foods is one of the joys of travel. But beware: you could risk your health, or nausea at the mere thought of what you've eaten. Check out these dodgy taste adventures. See all Travel diet and fitness » Take action Quiz Wilderness Survival Skills » Ask EnviroHealth Expert » Assess Test your sun sense » Join Heart to Heart » Weird things found in airport security 8 healthy snacks to fill you General travel advice Always avoid mozzie bites Preventative drugs are important in malarial areas, but none are 100% effective See all General travel advice » Modes of travel Airport scanner fun and games How long did the powers that be think it was going to take for pervy airport security personnel to start putting their fancy new full-body X-ray scanners to creative use? See all Modes of travel » advertisement From our sponsors Recovery after exercise is an essential part of any workout What is Metabolic Syndrome? Could you have it? Eyecare for computer users Treet-It Anti-Lice aiding schools in the prevention of Head Lice Live healthier Down hill? » Argus Cycle Tour Celebrities who masturbate Can't get it up? Erectile dysfunction and the cyclist Does cycling cause erectile dysfunction? Some urologists seem to think so. Fitness fuel » Banned substances Sport and nutrition Exercise myths busted Are there any 'safe' sports supplements? Sportsmen and -women need to be super vigilant when they take any medication or supplement. Just one wrong step can ruin a promising career, DietDoc warns.