Home > Lifestyle > Travel health > 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 (rickettsia) is caused by a bacterial infection transmitted by ticks. This condition occurs in many areas of the world and is known by a variety of names 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. Find out the causes of these symptoms in babies and adults, and more about diagnosis and treatment. 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 has been recognised as a disease for thousands of years. Descriptions of the disease date from as far back as 1700 BC in China, and 1570 BC in Egypt. 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 Andrea van Niekerk says... lmk...well Ian I am sarcastic in my comment but "really".I also enjoy a drink now and then but I know what to much drinking can do.How can people blame booze when humans have a... How drinking devastates the Western Cape ” 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. B. burgdorferi is a bacterium that is carried by a group of closely related species of ticks known as Lxodes. An infected tick can transmit the bacteria to humans and animals through its bite. The bacteria enter the body at the spot where the tick has bitten. Parasites A parasite is an organism that lives in or on another organism and in the process harms this organism. load more articles 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.