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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Category: Low Carb Diet

Dear Mark: Ramadan, Excessive Fish Oil, the Warrior Diet, and Dipping Alternatives

I love Mondays. Maybe it’s because I actually like what I do and Dear Mark posts are the easiest and most enjoyable to write, but I get a good feeling whenever a new week rolls around. A new batch of questions, a new series of posts, tons of new content all over the web. It’s like the Primal world gets a reset. Yeah, Monday gets too bad a rap, in my opinion. We should take it back. Own it. Reclaim it! What say you, readers?

Okay, enough of that. On to the questions. This week, I try to help a reader with food choices during his Ramadan fast, discuss excessive amounts of omega-3 supplements, address the Warrior Diet, and attempt to find a replacement for bread dipped in oil and vinegar.

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A Metabolic Paradigm Shift, or Why Fat Is the Preferred Fuel for Human Metabolism

There’s a good reason so many people (mostly the sugar-burners, whose disparate group includes fruitarians, veg*ans, HEDers, body-builders, most MDs, the USDA and virtually every RD program in the country) can’t seem to grasp why a lower carb, Primal approach to eating is a better choice for health and fitness: their fundamental paradigm – the core theory that underpins everything else in that belief system – is flawed. They remain slaves to the antiquated notion that glucose is the king of fuels, so they live their lives in a fear of running low. The truth is, fat is the preferred fuel of human metabolism and has been for most of human evolution. Under normal human circumstances, we actually require only minimal amounts of glucose, most or all of which can be supplied by the liver as needed on a daily basis. The simple SAD fact that carbs/glucose are so readily available and cheap today doesn’t mean that we should depend on them as a primary source of fuel or revere them so highly. In fact, it is this blind allegiance to the “Carb Paradigm” that has driven so many of us to experience the vast array of metabolic problems that threaten to overwhelm our health care system.

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Who Should (and Shouldn’t) Try Fasting?

Last week, my post on the “Myriad Benefits of Intermittent Fasting” opened up a can of worms. In it I discussed how fasting can have a positive impact on human longevity, blood lipids, diet compliance and neurological health to name just a few of the potential health benefits. Naturally, many readers wondered if they’ve been missing the boat on IFing, and whether they should start skipping breakfast, lunch and dinner ASAP. In fact, who needs food anymore when you have IF! Not so fast.

Fasting can be an effective lifestyle hack, but is it right for everyone?

Not exactly. Not always. In other words, no. Let’s take a closer look.

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The Myriad Benefits of Intermittent Fasting

Calorie restriction is all the rage in anti-aging circles. A few mice and worm studies seem to show that drastic reductions in food intake over a long period of time have the effect of prolonging life – although I’m not sure I’d call it living. For one, these animals are actually restricted. There’s no ad libitum access to food. They’d prefer to eat more, but are prevented from doing so. I guarantee you they’re unhappy and, if they could put (cartoonish high-pitched) voice to physiological state, would say they’re starving.

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Monday Musings: Torcetrapib Part Deux? and Keto Diets Seize the Day

Overburdened doctors sure do love tangible targets, like lipid numbers. They’re easy to hit with drugs. There’s no guesswork – statins and the like actually do lower cholesterol (whether that’s helpful or harmful is the question) – and that makes a physician’s life simpler. Oh, sure, lifestyle changes work, but most patients won’t bother trying them (especially when the changes you prescribe are founded in faulty science and no fun following). Doctors can usually get patients to take a pill.

There’s yet another cholesterol-busting wonder drug on the coming horizon called anacetrapib. A recent eighteen-month trial found that it boosted HDL (from 40 to 101) 138% greater than placebo and slashed LDL (from 81 to 45) 40% better than placebo in patients already taking statins by hampering the effects of the CETP enzyme. Another potent CETP-inhibitor – torcetrapib – made similar headlines in 2006 when it boosted HDL and reduced LDL like nothing else before it, but those headlines were overshadowed when 60% excess mortality occurred in people taking the drug versus those on placebo. So far, anacetrapib seems safe enough, but I’m not holding my breath. I tend to get a little uneasy when we change a single variable and mess with enzymatic pathways in a very complex closed system, with a single goal (raise that HDL, drop that LDL!) in mind. Focusing on numbers that are largely an indication of your lifestyle without doing anything about the lifestyle itself is like pissing into the wind: quite often, it’ll splash all over you, and you’re lucky if it’s just the shoes.

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Dial in Your Carb Count

Most folks who decide to give the Primal Blueprint 30-Day Challenge the old college try do so to correct an underlying health issue. Maybe their cardiologist’s recommended dietary plan hasn’t been improving their lipid numbers as promised, or perhaps they’re sick of fighting a losing battle with diabetes by submitting to a daily pharmaceutical cocktail that appears increasingly ineffective. Gentle (or not so gentle) prodding from coworkers and loved ones with incredible results is another common motivating factor. But, above all, most people get involved with this Primal stuff because they want to lose weight without stressing over calorie counts, fat grams, and endless hours on the treadmill. And in order to do that – in order to lean out effortlessly and maintain that leanness – it’s vitally important that you dial in your carb count.

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