Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: 15 astounding facts about the human body > 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: 15 astounding facts about the human bodyHealth-in-Motion advertisement Other news News 10 freak accidents that killed people Diet and nutrition 5 healthier ‘adult’ ice lollies to eat if you’re watching your weight Medical Health dept on alert: This is why 800 000 homes are being fumigated News QUIZ: What would you do in these 7 emergencies? Medical TB levels rising in Northern Cape Diet and nutrition 4 signs you’re not getting enough protein From our sponsors Discover treatments that can help reduce acne What can I do to reduce or remove acne marks? Dementia and Incontinence: what you need to know WIN a R2000 Skin Renewal online store voucher! Live healthier Watch out! » Gross fungal infections you can pick up at the gym You go to gym to exercise. But make sure the only thing you pick up is a dumbbell and not one of these gross fungal infections. Holiday health » Your 10-step asthma holiday checklist Don’t let asthma ruin your summer holiday. Whether you are travelling or embracing the summer at home, make sure you plan ahead.