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- what about people that exercise 6 days a week for 1 hour a day?

- 20 mins of walk/jog

- 40 mins of pushups, squats, weight training etc

> More exercise and metabolic activity could very well mean you need more protein, not less.

If you did exercise 1 hour a day for 6 days a week, you'd probably be well above the average exercise time for normal adults.