The Longevity Letter

Birth Control Warning: What the New Study Means for You and Your Partner

Hillary Lin, MD·

Hormones feeling out of whack? Here's what every woman (and man!) should know right now.

HILLARY LIN, MD

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The Long Game

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Hormone health IS health. Hormones, peptides, and other interventions that act in the body's communication system are powerful tools in longevity medicine. But we also are beginning to understand subtle differences between "good" and "bad" versions of such meds.

In today's edition:

💊 IUDs and Cancer Risk

🫣 Sneak Peek! What's Coming Soon.

- Hillary Lin, MD

hormones

Should We Be Worried About Hormones and Cancer?

A new JAMA study has raised concerns about the potential link between hormonal IUDs and an increased risk of breast cancer. Headlines are warning millions of women who use these devices, leading to worry, confusion, and even panic. So, what does this really mean for you, and how big is the risk?

The focus here is levonorgestrel—a synthetic progestin that’s structurally different from the natural hormones our bodies produce. I’ve always advocated for progesterone-based contraceptives for my patients, especially IUDs when they’re the right fit. Not only do they prevent pregnancy, but they can also significantly reduce menstrual bleeding and cramping, making life a lot easier for many women. So, when headlines started buzzing with warnings like "Birth control device may increase cancer risk," I wanted to take a closer look at the science behind these claims.

In this article, I dive into whether these fears are warranted, what this means for millions of women on any type of hormonal birth control (including "the pill"), and how the lack of better research has left us all with fewer choices than we deserve.

Read more here.

Sneak Peek

Getting Ready for 2025!

Some of you know that I've been hitting YouTube hard in the last 3 months (it feels like so much longer!) and I just hit my 50th Video on Youtube 🥳.

Yes, that means I've been posting a video every other day (or every 1.8 days). Why do I do it? I actually mainly do it to make sure I'm reading the latest research in health and longevity, and therefore able to communicate it to all of you. But it's been additive for my other projects...

In the upcoming weeks, I'll be sending out more announcements on what I've been working toward building and how you can join me on my journey. I also promise I'll be more consistent with this newsletter - it's been a season of a *ton* of travel lately but that's no excuse 🫣.

Subscribe to my YouTube channel!

Want someone else to live healthier, and for longer?

As always, if you have a specific question you'd like me to address, don't hesitate to send me a message by hitting "reply." My goal is to read every message and to make sure this content continues to be valuable to you.

Thanks for reading, and cheers to your health!

Hillary Lin, MD

www.hillarylinmd.com

The information provided in this newsletter is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this or any other content platform with Hillary Lin, MD. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this newsletter. The authors are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices.

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