Protein

Muscle, Mitochondria, and Healthspan

November 30, 2025

Muscle is Medicine: Why Lifting Weights is Your Best Longevity Investment Clearly, your body changes as you age. I learned this lesson years ago when my son was three years old. We started him skiing, and he loved every minute of it. When he fell, he tumbled onto his behind, jumped right back up, and…

Red Meat and Early Mortality

March 14, 2012

Does red meat increase your mortality? According to the recent report it does- but when you analyze that report, you find that correlation does not equal causation, and here are just a few major flaws with that study.

What is Fiber?

July 14, 2010

For a while it seemed that everyone was talking about the importance of fiber, and its role in preventing a variety of diseases. After much speculation, we now have a few answers about what fiber really does, and what makes it an important component of good nutrition.

Nuts Aren’t Protein – They’re Fat!

July 7, 2010

One of the most common bits of misinformation is that peanuts – and hence, peanut butter – is protein – or a healthy snack — or a complex carbohydrate. Book after book on my shelf lists peanuts as a great source of protein, and a “snack that is healthy for you.”