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 12 October 2016 Non-toxic batteries Medical visionaries believe that we’re not far from the day when doctors will routinely give us edible electronic devices to swallow which will diagnose or even treat various diseases. But how does one power these tiny machines without having to worry about how long they’ll survive in the body and whether they are potentially poisonous? One team of scientists is making progress with edible, non-toxic batteries made out of melanin pigments which occur naturally in the skin, hair and eyes. These devices would simply dissolve after having done their job. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Medical 'Game changer' tuberculosis drug cures 8 in 10 Lifestyle Bad news: Your chocolate Labrador won't live as long as other Labs Medical A staggering 30 million Americans now have diabetes Medical Could even high-fat dairy be good for you? Diet and nutrition Brain's 'self-control' centre may be key to weight-loss success Medical Going deaf – a story of gradual hearing loss 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 Healthy gut » IBS – 4 symptoms that extend beyond your stomach When you think of IBS, symptoms that come to mind include diarrhoea, constipation and gas. However, there are other symptoms that extend beyond your stomach. Sex health » Do you feel sad after sex? This is why and what you can do about it A new study published in the Journal of Sex & Marital Therapy has revealed that 41% of the men surveyed had felt sad after sex in the previous four weeks.