Is Our Obsession with Health Data Making Us Crazy?

When Bri Cawsey started wearing a Fitbit, she thought it was simply a "really cool tool" for charting her runs. Slowly but surely, however, the British Columbia-based strength and conditioning coach began tracking everything—calories, macronutrients, fertility—and noticed the habit spiraling out of control.

"It became a little bit of an obsessive habit, especially around the food," Cawsey remembers.

When Bri Cawsey started wearing a Fitbit, she thought it was simply a "really cool tool" for charting her runs. Slowly but surely, however, the British Columbia-based strength and conditioning coach began tracking everything—calories, macronutrients, fertility—and noticed the habit spiraling out of control. "It became a little bit of an obsessive habit, especially around the food," Cawsey remembers.