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 19 May 2016 Is your life controlled by a clock? If you believe that your life is controlled by a body clock, think again. It’s run not by one, but by thousands, maybe millions, of such clocks, which manage everything from organs like the heart and the liver to a myriad of bodily functions. In 1986 a French nutritionist developed a system of ‘chrononutrition’, which involves eating foods at those times of the day during which they are most useful to different parts of the body. It prioritises breakfast and lunch while advocating small, light dinners. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Medical Exercising with allergies – what you should know Medical Do therapists need therapy? Lifestyle Scientists closer to drug that cuts nicotine dependence Diet and nutrition Gluten-free craze: But what about people who really can't have gluten? News Drug addicts target patients for their medication News Health dept commits to resolve critical ARV shortages before year end 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 Gut health » Can't lose weight? Blame it on your gut Our nutrition experts weigh in on why gut health is such an important factor in weight loss, on World Obesity Day. Sleep better » Yes, there is such a thing as too much sleep A new study confirms that too little sleep can impair your brain, but interestingly, too much sleep is also a problem.