| Today’s letter |
| The breakfast change that keeps you strong as you age |
| Jane Fonda is 88 years old, and she still trains three days a week. She works with a coach who does nothing but keep people over 50 strong. Her favorite move is the squat, the same one she was selling on VHS tapes back in 1982. She has a replaced hip, a replaced knee, and a back that has been operated on, and she gets up and does it anyway. |
| Think about what that means. The woman who taught a whole country how to exercise, who has more discipline in one squat than most of us manage in a year, still has to fight her own body to stay strong. Her muscles try to leave too. If it takes a private coach and a lifetime of work for Jane Fonda… then the softness you see in your own mirror was never a failure of character. |
| “When did I get so weak?” |
| You were strong once, and you never made a thing of it. Both grocery bags came up the stairs in one trip. Jars opened when you told them to. You hauled your own suitcase into the overhead bin and got down on the floor with the grandkids and back up without thinking about it. Then one day the jar would not budge, and the second bag of groceries had to wait for a second trip. |
| Nobody told you it was your muscles leaving. They told you it was you. You had gone soft, they said, lost your discipline, stopped trying. Eat less, they said, and move more. So you ate less. You shrank the portions, skipped breakfast, felt good about how little was on the plate. The weaker you got, the harder you tried the only thing anyone ever prescribed: less. |
| Here’s what gets me. |
| None of it was a discipline problem. Your body was losing muscle on a schedule set by biology, and the advice you followed made it leave faster. |
| Let me show you how I know. Not with my opinion, but with a study published last year. |
| Researchers in 2025 took 126 women between the ages of 60 and 75. Every one of them was already losing muscle, the condition doctors call sarcopenia. For 12 weeks the scientists changed a single thing about their lives: how much protein was on their plates. |
| Half the women ate the amount the official guidelines recommend for older adults. The other half ate a bit more, not a lot, just more. At the start and the end, the team measured their grip strength, their leg strength, and scanned the actual muscle inside their thighs and calves. |
| What they found |
| Ishaq et al., 2025. Frontiers in Nutrition. A trial of 126 women, ages 60 to 75, over 12 weeks. |
| The recommended amount (the small gain) |
| The women eating the standard amount for older adults did improve. Their grip climbed from about 18 kilograms to 20.5 over the 12 weeks. A small gain, and little new muscle to show for it. |
| A little more protein (the bigger gain) |
| The women eating a bit more protein went from about 18 kilograms of grip to 21.5, a bigger jump. Their leg strength rose further too. And the scans found what the first group did not have: new muscle in the thighs and calves. Same 12 weeks. More protein on the plate. |
| The only difference between the two groups was how much protein was on the fork. |
|
|
| In other words, the second group was not stronger because they wanted it more. Enough protein reached their muscles, and muscles given enough protein can rebuild. |
| Their willpower had nothing to do with it. Yours doesn’t either. |
| So why would an aging body need more protein than a young one, and not less? |
| As you age, your muscles stop hearing protein the way they used to. Scientists call it anabolic resistance. A younger woman eats a modest amount of protein and her muscles get the message to rebuild. The same amount reaches an older woman, and her muscles barely answer. She needs a louder signal, more protein at a sitting, simply to hold the line. That official number, the one on the guidelines, was set long ago for the average adult. It was never written for a 65-year-old body fighting to keep what it has. |
| You never stood a chance with the plate you were handed. Neither did the rest of us. |
| That’s the part no one says out loud: the advice was built for a body you no longer live in. |
