Stanford researchers found that U.S. adults who believed that they were less active than their peers died younger than those who believed they were more active – even if their actual activity levels were similar.
Participants who were overweight believed that the fit doctors would disapprove of patients with unhealthy habits, and as a result overweight participants preferred physicians who did not advertise their fitness.
A Stanford Medicine inquiry showed that six out of seven wristband activity monitors measured heart rate within 5 percent. None, however, measured energy expenditure well.