Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxic > Health-in-Motion 11 October 2016 Poison ivy If you’ve ever had a brush with leaves of the poison ivy or similar plants, you know just how painful the resulting itchy rash can be. American scientists have recently discovered that an immune molecule called CD1a causes this skin irritation after contact with urushiol, the 'active ingredient' found in such plants. Let’s hope that their finding brings us a little bit closer to formulating effective medications able to counter these inflammations. It may eventually even shed some light on psoriasis and other serious skin conditions. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news News Good Sex? Bad Sex? Rad Sex? Lifestyle Where snakebites are deadliest Lifestyle Yet another reason why it's hard to stop smoking News Making the most of that fast food meal Medical Why am I getting hot flushes? Mental health Here’s why dagga can be dangerous if you have a mental disorder From our sponsors Tell-tale signs you need a mattress upgrade Keen to win a R2 000 voucher? Good health begins in your gastrointestinal tract ACC 200 works fast to break down mucus Live healthier Contraceptives and you » Scientists create new contraceptive from seaweed Poor long-term birth control training leads to 'accidents' 7 birth control myths you should stop believing Will the Pill make you gain weight? Can you fall pregnant while breastfeeding? We bust seven common myths about birth control. Your digestive health » Causes of digestive disorders 9 habits that could hurt your digestive system Your tummy rumblings might help diagnose bowel disorder With the assistance of an 'acoustic belt', doctors can now determine the cause of your tummy troubles.