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 03 July 2017 How is the brain able to remember and recognise hundreds of different faces? How is the brain able to remember and recognise hundreds of different faces? Researchers at the California Institute of Technology have been able to locate six areas in the brains of humans and other primates that are responsible for identifying faces. These areas contain special types of neurons, called face cells, which are particularly active when we are looking at faces. The face-recognition process is surprisingly simple – by monitoring the electrical activity of just 205 face cells, scientists can reconstruct the face a monkey is seeing. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Medical Injured parent can equal sleepless nights for kids Medical Mom sucking baby's dummy may protect against allergies Medical Earworm warning: You probably won't be able to avoid these 10 songs this festive season Medical Could starting school young lead to false diagnosis of ADHD? News Festive season hospital discharge may not be a gift for some Medical Sleepy US drivers involved in 100 000 crashes a year 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.