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 Why is altitude sickness so dangerous? Following Gugu Zulu's death, altitude sickness is in the spotlight, highlighting the fact that this illness is more serious than most of us realise. 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 How ISIS has limited where you can go on holiday With the recent terrorist attacks taking place just ahead of the holiday season, some of your favourite vacation destinations may now be a no-go zone. Tick bite fever Tick bite fever is caused by a bacterial infection transmitted by ticks. 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: 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. 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) load more articles advertisement From our sponsors How erectile dysfunction can affect relationships Coping with the fear of cancer IBS affects 15% of people around the world The evolution of asthma treatment Live healthier Here's some help... » Combat childhood obesity Childhood obesity brings future health problems 3 ways to get young couch potatoes away from the screen Are your children glued to their electronic devices? It might be time to start making some rules. Time for a break? » Stressful job leads to emotional burnout Work burnout tied to emotional eating This is why you must take annual leave Avoid burnout and use your annual leave to get some well-deserved rest. Your body and mind will thank you.