Meet Mark

Let me introduce myself. My name is Mark Sisson. I’m 63 years young. I live and work in Malibu, California. In a past life I was a professional marathoner and triathlete. Now my life goal is to help 100 million people get healthy. I started this blog in 2006 to empower people to take full responsibility for their own health and enjoyment of life by investigating, discussing, and critically rethinking everything we’ve assumed to be true about health and wellness...

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Tag: fasting

Intermittent Fasting (and Feasting) At the Holidays: 6 Ways to Do It

The holiday season is notorious for unwanted weight gain. Although the average weight gain isn’t all that high—1 to 2 pounds—the real danger is that people rarely lose the weight they gain during the holiday season. So, if you go through ten holiday seasons, you’re looking at a very realistic and permanent gain of 20 pounds.

But it’s not just the weight you gain. Even if you manage to avoid gaining any weight, the onslaught of sugary foods you’re not used to consuming will play havoc with your blood sugar and insulin levels, leave you bloated and fatigued, and generally make what should be a joyous time a sluggish, low-energy one.

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Fasted Workouts: When They’re More Effective (and How I Incorporate Them)

Fasted workouts are a controversial topic in the fitness world. To some, the idea of working out without “carbing up” or doing the pre-workout protein shake is unthinkable. Won’t my performance suffer? Won’t my muscles shrink? Won’t my body think I’m in the middle of some horrible famine and go into starvation mode?

To others, fasted workouts are sacred tools, the perfect antidote to modern decrepitude. When I train in a fasted state, I can will my adipocytes to release fatty acids and feel the heat as they burn, hear the barely audible *pop* of muscle satellite cells replicating and proliferating, and see visions of my future physique through my gaping third eye. 

Where does the truth lie? Let’s look….

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