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 11 December 2017 Scientists are still learning so much about genetic processes. Scientists are still learning so much about genetic processes. A fascinating recent example of this is the discovery by European researchers, that so-called transcription factors, the chemical compounds which turn genes ‘off’ and ‘on’, don’t function as single molecules, as previously believed, but as tiny spheres about 30 nanometres in diameter, which are shaped like footballs but are 10 million times smaller. “The textbooks all suggested that single molecules were used to switch genes on and off,” explains lead researcher Mark Leake, “not these crazy nano footballs that we observed". 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Medical Eczema? Would you consider taking a bleach bath? Parenting Countries that ban spanking see less teen violence News Mom’s life is ruined after mystery sickness makes her look anorexic Parenting Breast milk may boost preemies' brain development Parenting Could same-sex couples have babies with shared DNA? Study hints it's possible Diet and nutrition Is canned or frozen produce bad for me? 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.