Health & Longevity Blog

Practical, evidence-based articles by Dr. Martin Katz, MD on nutrition, exercise, sleep and healthy aging.

Weight Loss: Fast and Easy?

October 23, 2026

GLP-1 drugs like semaglutide and tirzepatide dominate the weight loss conversation. Here are the pros, the hidden longevity costs, and how to support your metabolism from the inside out.

Last week, we discussed why a diet dominated by ultra-processed foods can undermine our long-term health. This week, I want to take a closer look at carbohydrates, especially the sugars found in drinks.

Healthy Vs. Empty Calories

October 6, 2026

Why should I eat healthy? Is it even really worth it? These questions often pop up in the head of many, including, however grudgingly, myself. And I’m not saying that a smash burger with a shake and fries from time to time is the worst thing ever.

Recent Reel on Longevity and Wellness

October 6, 2026

Check out this recent Reel on wellness and the healthy & wealthy life.

Sunlight: Friend or Foe?

September 9, 2026

For many years, conversations about sunlight have tended to fall into one of two extremes. One message tells us that the sun is dangerous and should be avoided whenever possible. The other suggests that more sun exposure is always better because sunlight is “natural.” And as sometimes happens when there are two extremes, neither extreme reflects the full truth.

Better Sleep Without Chasing Perfect Sleep

August 26, 2026

Sleep is different from many other health behaviors. You can decide to take a walk, prepare a healthy meal, or complete a workout. But you cannot simply command yourself to fall asleep. In fact, the harder we try to force sleep, the more alert and frustrated we may become.

Making a Magnificent You: And the Role of Fruits and Vegetables

Solve the riddle of what makes a healthy YOU alongside fruits and vegetables of all sizes and colors! Making a Magnificent You! helps parents teach their kids about the importance of eating fruits and vegetables. Children will learn that fruits and vegetables are vital to making them healthy, strong, and more disease immune as they grow.

Colorful art and interactive rhyming text introduce fun facts and healthy recipes using the fruit and vegetable characters.

Order Your Copy

A perfect gift for children celebrating their first day of school, a trip to grandparents' house, or the loss of a first tooth! Get your children excited about healthy eating.

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