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 30 January 2018 What is the source of human intelligence? What is the source of human intelligence? Some neuroscientists believe that it is housed in a single region of our brain. Recently, however, a US researcher has come up with a different answer, suggesting that it is the brain’s agility in adjusting the connections between its different parts and between different neural network states when responding to various mental challenges which make us smart. “The entire brain – its global architecture and the interactions among lower- and higher-level mechanisms – is required for general intelligence," explains the University of Illinois’ Aron Barbey. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news News Pneumonia to kill nearly 11 million children by 2030, study warns Medical 50% of older women suffer incontinence in silence - US study Diet and nutrition How much alcohol is too much? A nutritionist weighs in Medical 6 tips for exercising with anaemia Lifestyle 5 strength training mistakes to avoid Lifestyle Would it be a terrible idea to try intermittent fasting while breastfeeding? 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 Quit smoking » How to beat triggers that make you crave a cigarette You need to learn how to beat the behavioural, environmental and emotional triggers if you want to succeed in quitting smoking. Hygiene » Your showerhead may be bathing you in germs You probably think showering will wash away dirt and germs, but your showerhead might dump nasty bacteria on you instead that may cause lung infections.