Breaking the Addiction Cycle

90% Diet, 10% Exercise

You can't out-run a bad diet. Here's the math — and what to do about it.

Breaking a high fructose corn syrup addiction isn't easy. Like any addiction cycle, it takes deliberate effort to get out. But there are practical steps that work — and a few popular beliefs about weight loss that are quietly sabotaging people every day.

Let's start with drinks.

Are Artificial Sweeteners Safe?

Every time diet sodas come up, someone in the room says they're dangerous. Carcinogenic. Harmful.

I've been practicing medicine for about 40 years. I've signed a lot of death certificates. Not one of them said the cause of death was too much Equal. In all that time, I haven't seen a single cancer that's been reproducibly linked to artificial sweeteners in properly controlled, blinded studies. My conclusion: they're safe.

Do they have an off taste? Yes, some of them do. Not everyone loves them. But that's actually part of how they work — the slightly different taste helps wean you off the intense sweetness of high fructose corn syrup.

My recommendation: ditch the regular soft drinks and switch to diet. If you can't stand the taste of diet cola, explore your options. Lipton makes diet mixed berry, diet green tea, and diet peach tea that are genuinely good. I've had the diet peach tea next to a sugar-sweetened version and couldn't tell the difference. That's a real substitute.

What a 12-Ounce Sweet Tea Actually Costs You

Here's something worth knowing: a 12 to 16-ounce sweet tea contains enough calories that you'd need to run roughly one mile to burn it off. One drink. One mile.

Most people don't think about food and drinks that way. They should.

If you start measuring what you eat and drink in terms of the energy it takes to burn it off, your choices will look very different. A basket of chips at your favorite Mexican restaurant? That's about a 30-mile run. Enjoy the chips — just know that's the cost. Or better yet: don't eat the chips.

People Underestimate Calories. Every Time.

There's a consistent pattern I see in my office. Patients come in proud — "I got my 10,000 steps today." And they should feel good about being active. But let's be honest about what 10,000 steps actually burns: roughly 120 calories. That's it. It's not nothing, but it's not moving the needle on weight loss either.

The same pattern plays out at the gym. People start drinking protein shakes, eating protein bars, working hard — and the scale doesn't budge. That's because they've added calories back in that cancel out the work. The trainer told them to eat more protein, so they did — without adjusting anything else.

Here's the truth, and I have the research to back it up even if it's not what people want to hear: 90% of your weight is determined by your diet. 10% is determined by your activity level.

Exercise Maintains Weight. Diet Loses It.

That distinction matters. Exercise is valuable — for your heart, your joints, your mental health. But if you're trying to lose weight, the work happens in the kitchen, not the gym.

I always tell patients: activity helps you maintain the weight you've lost. It's not the primary tool for getting there.

That's not an excuse to skip the gym. It's a reason to stop believing that a hard workout earns you a big meal. The math rarely works out in your favor.

The Simple Version

You're almost certainly underestimating what you eat and overestimating what you burn. Most people are. The fix isn't complicated, but it does require an honest look at both sides of that equation.

We can help you figure out exactly where you stand — and build a plan that actually works.

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