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 03 June 2016 Mental health issues To what extent is your propensity to suffer from mental health problems something that you were born with? In a new study – one of the largest of its kind – scientists analysed the genetic code of nearly 300,000 individuals. They identified specific genes that are connected to personality traits like depression, neuroticism, schizophrenia, anxiety disorder and psychological wellbeing in general. But happiness doesn’t only depend on your DNA. Environmental factors are at least as important and interact significantly with the genetic effects. 0 NEXT ON HEALTH24X Here's why you have to clear out your medicine cabinet every year 2019-12-17 04:45 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Workflow Why tidying up is sometimes harder than expected Diet and nutrition WATCH: The 5 healthiest root vegetables Diet and nutrition 5 steps to create healthy school lunchboxes, coupled with a go-to menu Medical THE REAL POLLEN COUNT: Grass counts surge in several cities Medical How patients often bring undetected 'superbug' to hospitals Medical Could slimming down 'tongue fat' help ease sleep apnoea? 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.