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Impact Endocrinology
Home
ABOUT
About Dr. Grethen
About Direct Care
About Endocrinology
Pricing
Conditions Treated
FAQ
Blog
Testimonials
Newsletter Signup
Contact
Schedule
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Healthy Summer Living
Nutrition & Exercise Elizabeth Grethen 6/13/25 Nutrition & Exercise Elizabeth Grethen 6/13/25

Healthy Summer Living

Whether you’re growing your own or
browsing the farmer’s market, summer
vegetables aren’t just photogenic, they’re
also functional. Leafy greens like kale and
spinach have been linked to longevity
and reduced aging…

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Embracing the joys and challenges of Thanksgiving
Nutrition & Exercise Elizabeth Grethen 12/5/24 Nutrition & Exercise Elizabeth Grethen 12/5/24

Embracing the joys and challenges of Thanksgiving

Embracing the joys and challenges of the Thanksgiving season

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I eat right and exercise. Why am I not losing weight?
Nutrition & Exercise Elizabeth Grethen 8/6/24 Nutrition & Exercise Elizabeth Grethen 8/6/24

I eat right and exercise. Why am I not losing weight?

I eat right and exercise. Why am I not losing weight?

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What are the benefits of exercise?
Nutrition & Exercise Elizabeth Grethen 5/19/24 Nutrition & Exercise Elizabeth Grethen 5/19/24

What are the benefits of exercise?

What are the benefits of exercise?

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What do the GLP-1 agonist medications do, and should I take one? 
Diabetes, Nutrition & Exercise Elizabeth Grethen 5/5/24 Diabetes, Nutrition & Exercise Elizabeth Grethen 5/5/24

What do the GLP-1 agonist medications do, and should I take one? 

What do the GLP-1 agonistmedications do? Do they
have a lot of side effects?

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Should I be taking Calcium Supplements?
Calcium & Bone, Nutrition & Exercise Elizabeth Grethen 4/22/24 Calcium & Bone, Nutrition & Exercise Elizabeth Grethen 4/22/24

Should I be taking Calcium Supplements?

Should I be taking Calcium Supplements?

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What is the best diet to follow?
Nutrition & Exercise Elizabeth Grethen 3/2/24 Nutrition & Exercise Elizabeth Grethen 3/2/24

What is the best diet to follow?

What is the best diet to follow?

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Why are my blood sugars high even though I haven’t eaten anything?
Diabetes, Nutrition & Exercise Elizabeth Grethen 2/17/24 Diabetes, Nutrition & Exercise Elizabeth Grethen 2/17/24

Why are my blood sugars high even though I haven’t eaten anything?

Your blood sugar is high. Why?

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188 W. Carmel Drive

Carmel IN, 46032

egrethen@impactendocrine.com

Phone 317-660-1322

Fax 317-751-5888