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.” 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. SARS (Severe Acute Respiratory Syndrome) SARS (Severe Acute Respiratory Syndrome) load more articles advertisement From our sponsors Don’t just stop smoking, start something amazing Do you suffer from red, itchy eyes? Effective treatment for ADHD is available What is allergic conjunctivitis? FAQs Live healthier » Most couples do not get divorced after infertility struggles IVF kids may have higher risk of autism Progesterone gel as good as injection for IVF Fertility treatments tied to higher odds for pregnancy complications For most women who cannot conceive naturally, in vitro fertilisation is very safe and effective, but it may involve a higher risk of complications during pregnancy. Heart health » Another day at the office – thanks to a defibrillator close at hand Statins help the heart, no matter what your age Even the smallest fitness gains could help you reduce the risk of a heart attack 5 women share exactly what it feels like to have a heart attack 'I felt like I had a pill stuck in my throat.'