The Fittest Doc

Your waist size plus high insulin = an 8x cancer risk. Let that sink in.

I know what I’m about to say sounds dramatic — but your belly fat may be quietly feeding prostate cancer through a pathway your doctor probably never checked.

A population-based study published in the Journal of the National Cancer Institute examined 128 prostate cancer patients and 306 healthy men. Researchers measured fasting insulin, fasting glucose, and waist-to-hip ratio to assess insulin resistance.

Here’s what they found:

• Men with the highest insulin resistance had 2.78x the prostate cancer risk
• Men with the highest insulin sensitivity had a 65% REDUCED risk
• When high insulin resistance combined with a large waist-to-hip ratio, risk skyrocketed to 8.21x
• This association held independent of BMI, s*x hormones, and IGF levels
• 27.8% of cancer patients were insulin resistant vs. only 5.4% of healthy controls

So here’s what nobody’s asking: if insulin resistance is this strongly linked to prostate cancer — and it’s largely driven by diet, inactivity, and abdominal fat — why isn’t your doctor ordering a fasting insulin level at your annual physical?

We can engineer our way out of this. Reduce refined sugar. Move your body. Shrink the waist. Protect the prostate.

What’s one metabolic habit you’re willing to change today to lower your cancer risk — and are you going to share this with the men in your life who need to hear it?

See the comments section below for a quick brief of this study’s limitations.

🫶🏾 Dr. Nick⁣ ⁣



PMID: 12509401

Comfort is the most dangerous thing in a marriage.

And I do not say that lightly, because what I see confirms what I have been telling those I care for for years.

She put what so many are afraid to set as a boundary, plainly: "We are not allowed to get fat. Ever."

Not because of vanity.

Because comfort tells you that you have already won.

That you no longer have to try.

That your spouse is secured, so your standards?

Can slip.

That belief is costing people more than they realize.

Here is what most couples never examine: the moment you stop choosing discipline for your spouse, you start choosing something else instead.

Complacency.

Resentment.

A slow, quiet drift away from the person you promised to become for them.

The real danger is not the weight gained.

It is what the weight represents: the decision, made gradually and without announcement, that your 'best' is no longer owed to the person who chose you (and whom YOU chose).

She challenged him. He responded by buying a Stairmaster and starting to do cardio twice a day.

He challenged her. She responded by locking in on her nutrition, pushing toward 4,000 calories, and starting rebuilding.

Neither of them? Made excuses.

Neither of them offered their spouse their leftovers.

This is what life experience thus far has taught me: the body is not separate from the relationship.

It is a daily, visible declaration of how much you still care.

And if you would be disappointed watching your spouse stop trying, you do not get to stop trying either.

That is not a double standard anyone can afford.

Who in your life needs to hear that their spouse still deserves their best, not the version that showed up after they got comfortable?

The conversation about what actually drives long-term physical decline in committed relationships goes deeper than most people are prepared for.

P.S.: Want a question of yours related to this post answered by me? I unfortunately cannot check all of my social media posts daily and I don't want to miss your question. Direct message me on Instagram (Username: ) to get an answer from me.

Share this with those you care about most.

🫶🏾 Dr. Nick



📸: katriona.fit (IG)