Encourage. Educate. Empower.
Explore Brightness Positive Health Development’s EndoThrive program.
Where endometriosis meets structure, strategy, and support.
Because complex conditions require collaborative, whole-person care
that integrates every part of your health.
Brightness PHD helps people authentically reclaim their health through holistic, evidence-based support rooted in empathy, collaboration, and health psychology. We encourage, educate, and empower you to trust your body’s brilliance, make aligned and informed choices, and thrive mentally, emotionally, and physically in a life that reflects your inner wisdom and self-worth.
You’re here because something doesn’t feel right in your body
and you’ve been trying to make sense of your symptoms.
You’ve been told your symptoms are “normal.”
That your pain is part of your cycle.
That your labs look fine.
And yet, your daily experience tells a different story.
You may be living with ongoing pain, fatigue, bloating, brain fog, or changes in your mood and energy that affect every part of your life.
You’ve likely spent time trying to understand what’s happening in your body — researching, asking questions, and seeking care — while still feeling unclear, unsupported, or dismissed.
When symptoms don’t fit neatly into one explanation, it can be difficult to find care that sees the full picture.
Endometriosis and other complex conditions require more than surface-level answers.
They require thoughtful, collaborative care that considers every part of your health.
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No. Many people experience symptoms for years before receiving a formal diagnosis, and some never receive one.
If you are experiencing symptoms consistent with endometriosis or other complex hormonal conditions, we can still work together to better understand your body and explore supportive strategies.
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No. EndoThrive is a coaching and educational program designed to complement, not replace, medical care.
You are encouraged to continue working with your healthcare providers. My role is to help you better understand your symptoms, navigate your options, and coordinate care in a more informed and supported way.
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Endometriosis and other complex conditions often affect multiple systems in the body.
My approach focuses on whole-person health, integrating physical symptoms, mental and emotional well-being, lifestyle factors, and collaborative care. The goal is to move beyond isolated treatments and toward a more comprehensive understanding of your health.
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People I work with often experience a range of symptoms, including:
• Pelvic pain
• Pain with menstruation, ovulation, or throughout the cycle
• Fatigue or exhaustion
• Brain fog
• IBS-like symptoms
• Bloating or abdominal discomfort
• Mood changes and dysregulation
• Hormonal fluctuationsSupport is tailored to your specific experiences.
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EndoThrive is not therapy. While we discuss the psychological and emotional impact of chronic symptoms, the program is focused on education, health coaching, and helping you better understand and navigate your health and care options.
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This work is not about quick fixes. Many people experience increased clarity about their symptoms, improved ability to navigate healthcare decisions, and greater stability in how they manage their health over time.
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EndoThrive may be a good fit if you:
• Are living with ongoing symptoms that impact your daily life
• Feel that your symptoms haven’t been fully understood
• Want to better understand your body and your options
• Are looking for structured, collaborative support
The Brightness Journey
After 11 years of living with undiagnosed endometriosis, Dr. Sarah turned a decade of pain and dismissal into fuel for positive change. Her journey through misdiagnosis, research, self-advocacy, and self-discovery inspired Brightness PHD—a space where others feel empowered, supported, and validated as they learn to own their health and thrive in life.
Dr. Sarah is a health psychology educator and researcher, integrative health practitioner, public speaker, published author, and holistic health coach with a PhD in psychology. She provides encouragement, education, and empowerment—with deep empathy and a strong focus on advocacy—to women and gender-diverse individuals with endometriosis and endocrine conditions. Hormone optimization, perimenopause, and chronic endocrine conditions—such as endometriosis, polycystic ovarian syndrome (PCOS), premenstrual dysphoric disorder (PMDD), and Hashimoto’s thyroiditis—
are her areas of expertise.
Blending academic expertise with lived experience, Dr. Sarah creates inclusive, research-informed spaces where individuals feel validated, supported, and equipped to speak up for their needs and use
self-management strategies to improve their overall health.
Through speaking engagements, peer support sessions, and community outreach, she helps others navigate complex health journeys
with confidence, clarity, and compassion.
Testimonials
Dr. Cummins held a very safe space for us to share, ask questions, and find/receive support from her and each other… she shared research that I had never heard about, nor had my doctors mentioned. – Vera
These types of sessions are SO important… you can tell Dr. Sarah truly cares about people. Definitely made a difference to my day and I feel a bit braver about my conditions.
– Keisha
I made connections with regard to my own health and felt seen and heard here. Dr. Sarah creates a wonderful space in which to learn — and be yourself. – Raquel
Wonderful information! Dr. Sarah somehow infuses educational information into an emotionally supportive environment that makes everyone feel seen and heard while learning. Thank you! – Bella
Dr. Cummins gave me a lot of information that I hadn’t even considered before!
– Kimi
This was the most informative session I’ve had. Dr. Sarah is friendly, informational, empathetic and so kind. – Coco
Dr. Sarah leads a holistic learning community and is an informed advocate on health issues. Awesome and informative session with a supportive discussion — thank you for hosting. – Emerson
Sarah is an amazing host and motivational speaker! Incredibly kind and supportive. Very grateful for this space — I make lots of notes every session. This group is an incredible opportunity to learn more about our health from an extremely knowledgeable, supportive and friendly host. – Alex
Dr. Cummins is extraordinary! She was so amazing, kind and caring. It was very helpful for me.
– Mel
Thank you Dr. Cummins for this very important space to discuss something not talked about enough. – Natasha
Dr. Cummins is a wealth of knowledge about the endocrine system. She clearly and passionately describes how different conditions are interconnected, and creates a space where anything can be discussed openly. I’ll definitely be returning. – Ash
Dr. Sarah is a very knowledgeable and dedicated host, providing lots of facts and practical tips while leaving plenty of room for questions and participation. Thank you for another fact-filled and wonderfully interactive session!
– Maria
I have never felt so validated and respected before… it was so nice to finally feel like I wasn’t alone.
– Gabrielle
Explore Professional Services
Public Speaking
& Education
Clarity.
Dr. Sarah offers keynotes, workshops, and guest talks that spark conversation and inspire self-advocacy and autonomy in managing chronic health conditions and challenges, blending research with lived experience.
Health Coaching
& Peer Support
Confidence.
Dr. Sarah provides 1:1 coaching and small group sessions for those navigating chronic health conditions and challenges, combining evidence-based strategies with emotional support to build self-trust and resilience.
Community Wellness Initiatives
Compassion.
Dr. Sarah leads outreach events and creates accessible resources that simplify complex health topics and offer practical tools for thriving while self-managing chronic health conditions and challenges.