‘Mentally active' sitting may reduce dementia risk, study finds
March 29, 2026
Adam M. Brickman, PhD, a professor of neuropsychology at Columbia University, weighed in on findings from a newly published study he was not involved in, suggesting that sedentary lifestyles and mentally passive activities may substantially raise the risk of cognitive decline and dementia later in life. He also pointed to the growth of short-form content such as TikTok as a driver of more passive behavior. “When you consider how kids—and even adults—spend time passively consuming content that few would call stimulating or engaging, it’s clearly much more common today than it was in 1997,” Brickman said. [read more]
Source: NBC News