Fitness & Nutrition Tips

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The 4 Fitness Myths That Won't Die (And Why They Keep Getting Shared)

It's 2026. Nutrition and exercise science has never been more accessible. And yet the same four fitness myths keep getting repackaged, re-posted, and sent directly to your phone every single week. Not because people are stupid — because misinformation spreads faster than correction and is almost always attached to something someone is trying to sell you. Here's the breakdown, with the evidence, and without the patience for nonsense.

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Is “High Protein” Actually Healthy? Or Is It Just Marketing?

Protein is everywhere right now—from cereal and yogurt to chips and desserts. But does “high protein” actually mean healthier… or are we just being marketed to really well? In this blog, we break down what protein actually does in the body, why it matters for fat loss and muscle growth, and how to tell whether a high-protein product is worth buying.

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Why You’re Hungry All The Time While Dieting

If your fat loss phase has you thinking about snacks 24/7 and emotionally attached to the idea of garlic bread, your diet might be more aggressive than it needs to be. This blog breaks down some of the biggest reasons people feel constantly hungry while dieting — and why the solution usually isn’t “more discipline.”

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Why The Scale Goes Up After A “Bad” Weekend

Had a “bad” weekend and suddenly the scale jumped up a few pounds? Before you panic and swear off carbs forever, this blog breaks down what’s actually happening inside your body — and why one weekend of eating out probably didn’t ruin your progress nearly as much as you think it did.

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Do You Really Need To Do Hours Of Cardio To Lose Fat?

Think you need endless treadmill sessions to lose fat? Not quite. This blog breaks down the real role cardio plays in fat loss, why more isn’t always better, and how to approach cardio in a way that actually supports your goals instead of burning you out.

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A man with tattoos on his left arm and right leg is taking a selfie in a gym mirror. He is wearing a black cap, brown t-shirt, black shorts, white socks, and white sneakers. The gym has various exercise equipment and other people working out in the background.

Diaz Health & Performance Coaching

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Diaz Health & Performance Coaching 〰️

Hi, I’m Joshua Diaz — NASM Certified Personal Trainer & Certified Nutrition Coach here to help you finally reach your goals for good

Through my personalized, evidence-backed approach to one-on-one fitness and nutrition coaching, I’ll help you turn your progress into permanent results.