If you’re confused about carbs, protein, or what’s actually “healthy,” you’re not alone. Let’s break it down simply. A few weeks ago, I gave a nutrition clinic for a half marathon training group that I volunteer with. I look forward to this clinic every year—sharing practical nutrition strategies with people preparing to run 13.1 miles, many for the very first time. After the session, a few runners came up to ask questions, which is pretty typical. But this time, three different people asked...

Has anyone ever said something that made you so angry you’re still thinking about it almost a year later? Last summer, I was helping a family member with an estate sale. My sister-in-law and I were selling a heavy workbench to a man. When he was ready to move it to his truck, he looked at the two of us and asked: “Is there a man around who can help me move this?”

A few years ago, a friend showed me a habit tracker she absolutely loved. Each month was written out, with one spot for every day of the month — January had 31 dots, February had 28, and so on. Every day she completed her habit, she colored in a dot. She called it the “Stupid F*ing Dots” (or SFD for short), and it really helped her exercise consistently. She found something that worked for her, and I was genuinely happy for her. But it also made me realize something uncomfortable about...