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 15 September 2017 Get enough sleep on a regular basis. Not getting enough sleep on a regular basis isn’t just bad for your physical health, it can also affect your mental wellbeing. According to new research conducted with 40 healthy adults, people who experience extensive sleep deprivation can forfeit some of their capacity to be optimistic and positively-minded, which can be a major symptom of depression. According to Ivan Vargas, one of the authors of the study, "we tend to focus on positive things more than anything else, but now we're seeing that sleep deprivation may reverse that bias." 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Medical Less TV, more activity may mean extra years free of heart disease and stroke News Second wave of hormone shortage a crisis in SA transgender community Sex STD rates continue to rise in the US News The project that’s generating an income for people with disabilities Workflow 'Smartphone slouching' more serious than it sounds Diet and nutrition Here's why a regular cup of tea is good for you Live healthier Lifestyle » E-cigarettes: Here are five things to know E-cigarettes have become hugely popular in the past decade, but a rash of vaping-linked deaths and illnesses in the US is feeding caution about a product that's already banned in some places. Allergy » Ditch the itch: Researchers find new drug to fight hives A new drug works by targeting an immune system antibody called immunoglobulin E, which is responsible for the allergic reaction that causes hives.