Elise Bloustein, 62, wears a Fitbit on her morning walk through Prospect Park in New York. Older adults are among those who could benefit most from fitness trackers, but experts say there’s a dark side to the devices for some.
Elise Bloustein, 62, wears a Fitbit on her morning walk through Prospect Park in New York. Older adults are among those who could benefit most from fitness trackers, but experts say there’s a dark side to the devices for some. ANDREW RENNEISEN NYT
Elise Bloustein, 62, wears a Fitbit on her morning walk through Prospect Park in New York. Older adults are among those who could benefit most from fitness trackers, but experts say there’s a dark side to the devices for some. ANDREW RENNEISEN NYT