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 Medical first: Twins treated for rare condition while still in the womb News SAHRC overseeing HIV patients' transfer to public health facilities Medical 7 reasons why your sinusitis could be worse in winter Lifestyle How skipping this much sleep makes arguing with your partner more dangerous Fitness Unlock your best performance with these 4 mindset tips Lifestyle SEE: How many people smoke around the world? From our sponsors Win a R1 500 hamper with Alpecin Hypertension Consumer Fact Sheet Understanding diabetes self-management WIN a R2000 Skin Renewal voucher! Live healthier Mental health & your work » How open are you about mental illness in the workplace? Mental health in the workplace – what you can do to help If you know that one of your colleagues suffers from a mental illness, would you be able to help them at work? Maligay Govender offers some helpful mental health "first aid" tips. Sleep & You » Sleep vs. no sleep Diagnosis of insomnia 6 things that are sabotaging your sleep Kick these shut-eye killers to the kerb and make your whole life better – overnight.