> One donut takes like 3 hours to burn off at a good clip on a treadmill. You're way off. A "Frosted Snowflake Donut" from Dunkin weighs in at 270 calories. [1

> One donut takes like 3 hours to burn off at a good clip on a treadmill. You're way off. A "Frosted Snowflake Donut" from Dunkin weighs in at 270 calories. [1] A 155-pound person will burn 298 calories in 30 minutes doing 12-minute miles on a treadmill, [2] which is probably less than "a good clip". > You should exercise for health, but unless you’re a professional athlete, your voluntary physical activity is a rounding error in terms of weight management My personal experience just does not bear this out. I used to ride bikes a lot. The I stopped because I didn't have as much time for it anymore. I eat noticeably less. I also gained 20 pounds. [1]: https://www.dunkindonuts.com/content/dam/dd/pdf/nutrition.pdf https://www.dunkindonuts.com/content/dam/dd/pdf/nutrition.pd... [2]: https://www.health.harvard.edu/diet-and-weight-loss/calories-burned-in-30-minutes-of-leisure-and-routine-activities https://www.health.harvard.edu/diet-and-weight-loss/calories...