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 Arnold Kirkby says... Thanks for the extra info Michael, it's always great to get additional background, especially where something as interesting as this machine emanates from. How CyberKnife saved Clive Rice's life ” 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 Is your baby dehydrated? How to tell. Taking charge of your health Man, take care of your health! Live healthier Too Tired? » 20 signs of burnout Staying active reduces stress 10 ways to have a healthier work day Why you're exhausted Lost your mojo? Here are 5 surprising energy drainers, plus the easy fixes that will help put the pep back in your step! Kick the habit » Cancer doesn't make smokers to quit Non-smokers don't use e-cigs Hookah contains benzene How South Africans quit smoking We asked ex-smokers to share their secrets to successfully quitting smoking. Find out how they managed to kick the habit.