When you think about the deadliest diseases in the world, you tend to think about the fast-acting, lethal pandemics that hit the headlines. But you may be surprised to know that 74% of deaths worldwide are caused due to long-lasting chronic medical conditions. Many of these conditions can be prevented with healthy lifestyles. The root cause of lifestyle diseases is insulin resistance. What Are The Other Health Conditions Related To Insulin Resistance? This resistance to insulin hormone causes your blood sugar levels to increase over time, leading to prediabetes and Type 2 diabetes. Prediabetes occurs when glucose in the bloodstream is high but not yet high enough to be classified as diabetes. The extra sugar in your blood gets stored as fat, which causes weight gain, obesity, and an increase in cholesterol levels.