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A Customized Plan For Permanent Weight Loss!

The Diet Doc is the answer to failed cookie-cutter, template-driven dieting programs. In an industry plagued by a 98% failure rate, The Diet Doc synergizes the science and support necessary for enduring client success.
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Joe Klemczewski, PhD President & Founder
Kori Propst, PhD, LCMHC, LPC Vice President

Over 100,000 pounds lost
with the help of The Diet Doc!

See weight loss transformations

The Diet Doc After Hours

Sign up to be entered into a monthly drawing for a free consultation with Joe Klemczewski, PhD, (Founder) and Kori Propst, PhD, (Wellness Director). But there's a catch — you're going to share that experience with the world!

Joe and Kori want to merge their professional and personal lives with friends in a new way and see if this experiment can make the world a little more fun. If you win the drawing, you can ask any questions about health, nutrition, or fitness--nothing is off limits. You can dip your toe in the waters of health psychology, behavioral medicine, sociology or anything that intersects your interests and our experience. You can even just hang out for an hour and sip tequila. The format will link our San Diego headquarters and our Evansville administrative center. You can be present in either location, or you can stream into the conversation. We're looking forward to hanging out after hours with our shoes off and our minds open!
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Latest from the Permanent Weight Loss Blog

Stay up to date on the most relevant nutrition, fitness and mindset topics to help you live your best life! Each week, Dr. Joe Klemscewzski, Dr. Kori Propst and our team of clinicians publish science-based articles and videos to help you build a better body, mind, and overall state of health.
Carbohydrate Part II: Eat Carbs to Destroy Fat
in Health, Weight Loss
July 16, 2016 · 4 minutes read
In Carbs Part I: The Weight-Loss Industry’s Biggest Lie, I explained why carbs won’t be the end of our species. Recall that high-fat diets lead to more diabetic cases than high-carb diets
Helpful Health Hacks: 10 Tips to Super Sleep
in Health, Performance
December 14, 2016 · 4 minutes read
As a pharmacist, I’m often asked, “What’s the best pill for sleep?!” Believe it or not, the best solution does not lie in a pill... or capsule… or liquid… but in what is known as your sleep hygiene. Yep, you read that right—just as brushing
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Learn to Lose Weight & Keep It Off

Download Chapter 1 of our book, 50 Days to Your Best Life, for a crash course in understanding your Metabolism.
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or buy the book today!

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