Adolescents who replaced just half an hour of sedentary behaviors, such as sitting on the couch or spending time at the computer, each day for moderate-to-vigorous physical activity or sleep may lower their insulin resistance, a key factor in preventing the development of Type 2 diabetes, according to preliminary research presented at the American Heart Association’s EPI|Lifestyle Scientific Sessions 2026. The meeting is in Boston, March 17-20, 2026, and offers the latest epidemiological science on prevention, lifestyle and cardiometabolic health.
“I was happily surprised with the strength of the association of replacing 30 minutes of sedentary time with moderate-to-vigorous physical activity-a 15% lower insulin resistance is quite a big change,” said Soren Harnois-Leblanc, Ph.D., R.D., lead author of…