Rooted In Health: A Guide to Reversing Aging from Within – Healing the Body System by System for Lifelong Vitality Paperback – October 13, 2025

Reclaiming health requires morethan shallow solutions and prescription refills. It takes a deeper understanding of the body, the root causes of disease, and a partnership with your doctor to look beyond symptoms. This book is your guide to a more personalized, compassionate, and science-driven approach to wellness—one that combines the strengths of Internal, Obesity, and Functional Medicine to help you achieve lasting results.In this book, you will:• Discover how lifestyle, genetics, and environment interact to shape health and disease.• Learn practical strategies for addressing obesity, diabetes, hypertension, and gut health at the root cause.• Understand how advanced testing—ranging from hormone panels to microbiome mapping—uncovers hidden drivers of illness.• Explore the role of bioidentical hormone therapy and other cutting-edge treatments for vitality and longevity.• Gain insight into how Functional Medicine personalizes care, moving beyond symptom management to full-body restoration.• See how a concierge model of medicine provides time, access, and individualized attention that traditional care often lacks.Humera Ahmed, MD, is a Board-Certified Internal and Obesity Medicine Specialist with more than 18 years of clinical experience in North Dallas. She is the founder of Select Internal Medicine, where she blends Concierge and Functional Medicine to deliver root-cause care for conditions such as obesity, hypertension, diabetes, and dyslipidemia. With certifications in Bioidentical Hormone Replacement Therapy (BHRT) and expertise in advanced testing, Dr. Ahmed is recognized for her ability to create highly individualized treatment plans that help patients achieve lasting well-being. She has been honored as one of the Best Doctors by D Magazine for consecutive years.Dina Diehl, DO, is a Board-Certified Internal and Obesity medicine specialist and 1 of 3000 providers worldwide, also certified in Functional Medicine. She has more than 18 years of clinical practice and is the founder of Select Internal Medicine, where she integrates conventional Internal Medicine with Functional Medicine, applying a root cause approach to treat chronic conditions, including diabetes, hypertension, hypercholesterolemia, obesity, and gut issues. She has expertise in conducting detailed analyses of patients’ health through specialized gut, hormone, genetic, vitamin, and adrenal testing to achieve a personalized plan for her patients. Trained at the Philadelphia College of Osteopathic Medicine, Summa Health System, and the Cleveland Clinic, Dr. Diehl brings advanced testing, a concierge care model, and a compassionate, patient-centered approach to Select Internal Medicine in Frisco, Texas.Together, Dr. Ahmed and Dr. Diehl offer a vision of medicine that is personalized, proactive, and designed to help patients thrive at every stage of life. Read more