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TreatWellness's trusted partner Humann combines forces with TexasAthletics to elevate cardiovascular health.

TreatWellness's trusted partner Humann combines forces with TexasAthletics to elevate cardiovascular health.

TreatWellness's trusted partner Humann combines forces with TexasAthletics to elevate cardiovascular health.

Austin-born health innovator named Official Cardiovascular Supplement of Texas Athletics, with logo placement across all Longhorn sports...

September 9-13, 2025 ( Boston, MA) A4M presents: MODULE 1 PEPTIDE THERAPY CERTIFICATION

September 9-13, 2025 ( Boston, MA) A4M presents: MODULE 1 PEPTIDE THERAPY CERTIFICATION

September 9-13, 2025 ( Boston, MA) A4M presents: MODULE 1 PEPTIDE THERAPY CERTIFICATION

Peptide therapies are increasingly playing a significant role in disease state management, performance health, and anti-aging strategies....

September 25th - 28th, 2025 ( Pensacola, FL): 16th Annual Hyperbaric Therapy and Functional Medicine Conference

September 25th - 28th, 2025 ( Pensacola, FL): 16th Annual Hyperbaric Therapy and Functional Medicine Conference

September 25th - 28th, 2025 ( Pensacola, FL): 16th Annual Hyperbaric Therapy and Functional Medicine Conference

Dr. Kathleen will be presenting at the upcoming 16 th Hyperbaric Therapy and Functional Medicine Conference! Her presentation will be: ...

LONGEVITY SYMPOSIUM

LONGEVITY SYMPOSIUM

LONGEVITY SYMPOSIUM

Friday, October 24, 2025 Boston Join us for Treat Wellness's Longevity Symposium this October 2025! The event is designed and led by...

GBFM SPRING MEET UP

GBFM SPRING MEET UP

GBFM SPRING MEET UP

THU, APRIL 10 6.00 - 8.00 PM Longevity medicine is transforming the way we think about aging. It's no longer just about living longer....

How are viral loads, molecular clocks, zombie cells and a chinese tea extract connected?

How are viral loads, molecular clocks, zombie cells and a chinese tea extract connected?

How are viral loads, molecular clocks, zombie cells and a chinese tea extract connected?

To: Greater Boston Functional Medicine Group Host: Dr. Kathleen O’Neil MD (Founder of Treat Wellness) Date: April 10, 2025 Time:...

2025’s Must-Have Practice Tools: Sharpen Your Clinical Edge At The San Antonio Symposium

2025’s Must-Have Practice Tools: Sharpen Your Clinical Edge At The San Antonio Symposium

2025’s Must-Have Practice Tools: Sharpen Your Clinical Edge At The San Antonio Symposium

The next generation of whole-person healthcare belongs to practitioners who can adapt, innovate, and lead with confidence. As science...

Empowering your longevity journeyBecause your best years are yet to come

Empowering your longevity journeyBecause your best years are yet to come

Empowering your longevity journeyBecause your best years are yet to come!

Empowering your longevity journeyBecause your best years are yet to come! Time for a midlife tune-up? Reclaim your energy and vitality per

Dave Asprey Biohacking conference - May 28-30, Austin Tx

Dave Asprey Biohacking conference - May 28-30, Austin Tx

Dave Asprey Biohacking conference - May 28-30, Austin Tx

Join the visionaries, the disruptors, and the innovators who are here to shake things up and live beyond 180. Prepare for an...

Eight Annual Spring Scientific Session

Eight Annual Spring Scientific Session

Eight Annual Spring Scientific Session

March 14th - 16th 2025 Dr. Kathleen o'neil-Smith will be one of the featured speakers. Learn about tissue regeneration, cellular...

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“Dr. O’Neil is one of the few people in the medical profession who truly cares about her patients. Her methods of testing, in addition to her evaluation and explanation of the diagnosis, gives you a level of confidence that you are getting the best treatment possible from the best doctor. She diagnosed my early prostate cancer and helped me to a record recovery. In 2023, she detected a major heart problem. Again, I made a remarkable recovery — so much so the cardiologist is still baffled. Dr. O'Neil is a great person. No doubt.”

-Patient, 64-year-old Male

“I’ve struggled with gut issues for over half of my life. I’ve seen many doctors within the Northeast with the hopes of treating this issue beyond dietary restrictions and colonoscopies. Within a season of working with Dr. O’Neil, I noticed a shift in mental clarity, metabolism, and food tolerance. I highly recommend her for gut and stomach problems.”

-Patient, 27-year-old Female

“I work full-time as a data analyst at a major corporation. This summer, I spent a week in Colorado hiking up peaks of 6,500, 8,600, and 11,300 feet. Every year, I go mountain biking with my son in Arizona. My marriage of 45 years is still as strong and loving as ever. I don't have any prostate issues, arthritis, or aches and pains. I don't take naps. I don't drink coffee. I sleep well, and I have energy all day long. What is my secret? I listen to Dr. Kathleen and follow her advice. She blends years of experience with an understanding of cutting-edge research, to come up with practical solutions that heal and strengthen. Diet, exercise, hydration, supplements, hormones, herbals, electrolytes, biomechanics. Her toolkit is vast and always expanding. But the key is that she listens to each one of us in depth and crafts creative recommendations that fit our unique lives. She understands what we need to build wellness and explains so clearly how it all works. And she does it with wonderful enthusiasm and warmth.”

-Patient, 75-year-old Male

“Post military service, I struggled with cardiac, endocrine, brain, and nervous system issues from a severe traumatic brain injury. With Dr. O’Neil’s care, I was able to identify and treat each issue. For all things wellness, Dr O’Neil is the only person you need to speak to. She will not let you down.”

-Patient, 34-year-old Female

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