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Conveniently Located to Serve Southern Maine & Portland, Portsmouth, and Boston

Why VO₂ Max Testing Matters for Longevity

Apr 3, 2025

At Horizon Longevity, we’re passionate about helping our clients live longer, healthier lives—not just adding years to life, but adding life to those years. And one of the most powerful tools we use to assess and support long-term health is VO₂ max testing. But what...

Michael Bedecs, D.O.

Triple Board Certified Physician

Dr. Michael Bedecs is a distinguished physician specializing in longevity medicine, bioidentical hormone replacement therapy, regenerative medicine and anti-aging wellness. A lifelong enthusiast of health and fitness, Dr. Bedecs has spent decades studying—and practicing—the philosophy of not just living long but living well. As the owner and medical director of...Read More.

Marc Demers, MD, FACS, FSSO

North American Menopause Society (NAMS) Certified Menopause Practitioner

Marc Demers, MD, FACS, FSSO, has decades of experience providing superior patient care to patients from Maine to Florida. At Horizon Longevity, he helps men and women understand and optimize their hormone health...Read More.

Pamela Bither, CMA, AFAA

Longevity Coordinator

Pamela Bither, CMA, AFAA is the Longevity Coordinator at Horizon Longevity. A long-time personal trainer, medical assistant, and four-time Boston Marathon qualifier, Pam brings a wealth of expertise in creating a healthy, robust life and making it fit into a busy schedule. She... Read More.

Annemarie Dawson

Clinical Coordinator

Annemarie Dawson is the clinical manager and also serves as a medical assistant at Horizon Longevity, bringing more than two decades of experience in patient care and medical assisting to our clients. Her dedication to patient wellbeing and her enthusiasm for patient education, set the practice apart, ensuring superior, empathetic and comprehensive patient care...Read More

Anita Nicholson

Nurse Practitioner

Anita Nicholson, MSN, FNP-BC, APRN, is an expert in longevity and integrative wellness, with a focus on helping both men and women optimize their health and wellbeing. As a highly experienced nurse practitioner, Anita is dedicated to addressing the unique needs of each patient, using a personalized and holistic approach to support healthy aging. She offers comprehensive care...Read More.

About Us

Horizon Longevity is composed of a team of highly skilled and educated physicians, providers, advisors and healthcare professionals passionate about preventative medicine, holistic wellness and longevity with quality.

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