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 Shocking footage of bus falling through a massive hole on a highway Tourists in Brazil made a narrow escape just minutes before the bus they were travelling on was swallowed into a crater on a highway in Brazil. More in Travel health News Warning of mosquito virus gripping travellers Measles outbreak linked to Disney theme parks US government wants airline data to prevent accidents AirAsia crash: What happens to bodies in water? Travel health Bounce back after being sick If you're getting over being under the weather, it can be tempting to put the pedal to the metal on the road to recovery. Here's how to bounce back without risking a relapse. See all Travel health » 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 » Take action Quiz Wilderness Survival Skills » Ask EnviroHealth Expert » Assess Test your sun sense » Join Heart to Heart » 8 healthy snacks to fill you Weird things found in airport security 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 foods to avoid when travelling 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. See all Travel diet and fitness » advertisement Live healthier Hypertension » Salt may be bad for more than blood pressure Regularly salting foods heightens death risk How potassium fights high blood pressure Are you eating too much salt? Did you know that high blood pressure affects as many as 25% of adult South Africans? Do you have a sweet tooth? » What’s SA’s most sugary drink? Craving sugar? Blame your brain WHO says we're eating too much sugar 10 foods with hidden sugar Even if you don't have a sweet tooth, you might still be eating far more sugar than you think.