Health & Science September 13, 2023 5:24 pm Study says a sedentary lifestyle can raise dementia risk Researchers found a link between sedentary lifestyles and chronic illnesses that are linked with increased dementia risk. US & World Videos 5:00 Kelly Clarkson surprises trailblazing music educator with childhood teacher 3:02 Daughter surprises mom and nana with touching letter for Mother's Day 6:00 Luis A. Miranda Jr. brought entire Puerto Rico family to cheer Lin-Manuel Miranda at Tony Awards 6:15 Parents of Harmony Montgomery's half-brother read his emotional victim impact statement: ‘I need my big sister' 1:58 Prince William plays volleyball in royal beach outing amid Kate Middleton's cancer treatment