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 04 December 2017 Do you itch when in a stressful situation? Have you ever noticed that some people seem to start scratching themselves when they’re in stressful situations? A new study suggests that this kind of behaviour may actually a be a result of evolution in monkeys, apes and humans which acts as a social communication tool signalling that an individual is experiencing anxiety. It appears to help with social cohesion by reducing aggression in others. Researcher Jamie Whitehouse explains that revealing stress to others this way makes the situation more transparent and "transparency ultimately reduces the need for conflict”. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Medical Brisk walks may help, not harm, arthritic knees Medical Incontinence – has there been any progress in treatment options? Medical The sooner you quit smoking, the better Medical What's your poop telling you? Medical Anti-seizure drug may be new weapon against depression Medical Constipation during and after pregnancy – what you should know From our sponsors Dementia and Incontinence: what you need to know Tell-tale signs you need a mattress upgrade Keen to win a R2 000 voucher? Good health begins in your gastrointestinal tract Live healthier Smoking dangers » Hubbly hooking lots of young adults on tobacco Hookah smokers are inhaling benzene Many young adults misinformed about hookahs Hookah pipes far from harmless, study warns In addition to toxic substances from tobacco and nicotine, hookah smoke exposes users to charcoal combustion products, including large amounts of carbon monoxide. Managing incontinence » 5 avoidable triggers that can make urinary incontinence worse Urinary incontinence is a manageable condition – here are a few common triggers of urinary leakage.