Three out of four deaths worldwide are caused by non-communicable diseases (NCDs), and 80% of those deaths are caused by just five conditions. Heart disease is the biggest killer, followed by cancer, respiratory diseases and diabetes. Not only do these conditions cause tens of millions of deaths a year, they also carry a staggering economic cost. The good news is they are largely avoidable. Five major risk factors significantly ramp up your chances of contracting an NCD, from air pollution to a