Home > Lifestyle > How to travel safely > Conditions of concern Conditions of concern All sections in Travel Health » Conditions of concern » Modes of Travel » Travel diet and fitness » General Travel Advice » Travel Health News Tick bite fever Tick bite fever is caused by a bacterial infection transmitted by ticks. 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 Diarrhoea Diarrhoea is an abnormal increase in the frequency and liquidity of the stools. Malaria kills, even in South Africa For a nation that enjoys spending time outdoors and trips to the bushveld, many South Africans are lax about protecting themselves from malaria, says Health24's Travel Expert. Malaria Malaria is an infection of red blood cells caused by a single-celled parasite. 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. SARS (Severe Acute Respiratory Syndrome) SARS (Severe Acute Respiratory Syndrome) “ Latest comment on Health24 Bianca Albesco says... Ritalin and Concerta are both exactly the same drug. They are just different brand names. What happens when kids with ADHD take Ritalin and Concerta? ” Malaria: an African story In 2007 Bill and Melinda Gates announced that malaria would be eradicated by 2015. Doctors battling the disease on the ground responded: “One day. But not in our lifetimes.” Lyme disease Lyme disease is an infection caused by Borrelia burgdorferi. Parasites Parasites are organisms which live in or on another organism and harm that organism. load more articles advertisement From our sponsors Advertorial Understanding thrombosis The power of smell and touch Is your baby dehydrated? How to tell. Fifty and fabulous! There’s something newly cool about turning 50 Live healthier Up for grabs! » To vape or not to vape? Twisp's new range of e-cigs Discover your Twisp Win one of the 3 new devices from Twisp! Now you can stand a chance of winning one of the 3 new devices, as well as flavours and accessories worth R2000 each! Love your heart » SA dying of heart disease Natural trans fats good for heart Heart probs and sex life How old is your heart? Take this test What's your heart age? Use the calculator to see the real age of your heart. Post your results in the comments!