If it seems like more people are on diets these days, you might not be imagining it. A higher percentage of Americans said they're on a special diet to lose weight or for other health reasons compared with a decade ago, according to a report Tuesday by the US Centers for Disease Control and Prevention. The CDC report found that 17% of Americans said they were on diets during the 2017-18 survey period, the AP reports, up from 14% a decade earlier. Over the same period, obesity rates rose from 34% to 42% of Americans. The report notes that about half of American adults have diet-related chronic conditions, such as diabetes and heart disease and that special diets are a way many people try to manage them. One expert noted that many people might not consider the way they eat to be a diet. The report also looked at responses between 2015 and 2018 and found: