Energy & Metabolism

This article explains the biological reason behind the early-afternoon slump, which has more to do with blood sugar and body clocks than with the meal itself. You'll also get three adjustments that reduce the dip without cutting out lunch entirely.

This piece compares how a brisk outdoor walk and a cup of coffee each affect alertness, and why they work through completely different mechanisms. You'll learn which one to reach for depending on how you slept the night before.