Bonza Health Blog
Gain the tools and understanding you need to help manage the challenges of perimenopause and beyond.
Women experiencing perimenopause or menopause can reclaim their health and vitality. At Bonza Health, we help women see hormone changes as a natural midlife transition and provide the doctor-backed information women need to navigate hormonal health conditions with confidence.
Check out our latest blog posts from our leading physician’s best tips and tools for easing hormonal symptoms, special announcements on our courses and services, and much more! Be a part of our ever-growing community of like-minded women who are thriving in health -- even with perimenopause or menopause conditions.
You're Doing Everything Right. So Why Is Your Body Changing Anyway?
You're eating better than you did in your thirties. You walk, you lift a little, you've cut back on wine. And yet your jeans don't button, a soft roll has settled around your middle that was never there before, and your last bloodwork came back with a cholesterol number your doctor "wants to keep an eye on." If that sounds familiar, I want you to hear this first: Your habits have not stopped working. Your body just is not as responsive as it once was. Perimenopause, the years of fluctuating and eventually declining hormones before your final period, is one of the biggest metabolic transitions of a woman's life. Understanding what is happening inside your body is the difference between quitting in frustration and adjusting your strategy so your effort finally shows up.
Estradiol and Breast Cancer: What the Evidence Really Shows
Almost every week, a woman sits across from me with hot flashes, insomnia, and one big fear: "Will estrogen give me breast cancer?" It is the right question to ask. It deserves a better answer than a quick "yes" or a reflexive "no." Here is what I tell her. The best randomized evidence shows that estrogen taken alone did not raise breast cancer risk, and actually lowered it. Most of the risk seen in older studies was tied to the type of progestogen given with estrogen. And there are real exceptions and real uncertainties that we need to talk through together. My practice is built on shared decision making. My job is to give you accurate, balanced evidence in plain language. Your job is to weigh it against your symptoms, your values, and your own health history. Every treatment carries some risk, including doing nothing. You have the right to make an informed choice about your own body, and I will support that choice with the best information available.
Estradiol on Your Face: Hype vs. Evidence
At a recent women’s health medical conference, I discovered something that stirred my curiosity. Between sessions, at dinners, and in hallway conversations, nearly every physician I spoke with was using estradiol on their face. Gynecologists, dermatologists, internists, menopause specialists: the "estrogen face cream" trend wasn't just on social media. It was happening among the people who write the prescriptions. My first reaction was curiosity. My second was the one every physician is trained to have: Where's the evidence? When doctors adopt something for themselves, it's worth paying attention. But it's not the same as proof. So I went back to the research to answer the question my patients keep asking me: Is applying estradiol to your face beneficial, or is it hype? The honest answer is that it's both. Here's how to tell the difference.
The Dark Side of GLP-1s: Why Women Should Exercise Caution
When Mayim Bialik published her essay "My GLP-1 Nightmare" in June 2026, I realized maybe it was time to share my very similar story. She had taken a single low dose — not for weight loss, but because three separate physicians thought it might quiet the inflammation driving her autoimmune conditions, including Graves' disease. What followed was days of explosive diarrhea, violent sulfur burps, cramping, bloating, flu-like body aches, and sneezing attacks every time she tried to eat or drink. She could not keep down a sip of water; her physician sent a nurse to her home to run IV fluids. What unsettled her most was not the illness — it was how completely unsurprised her clinicians seemed by it. I recognized every line. Because in 2022, one injection landed me in the emergency department.
The Study That Scared a Generation of Women — And What It Actually Found
A patient of mine — a physician herself — had a hysterectomy and started transdermal estradiol a few weeks later. Then her breasts began to ache. Not a little. Enough that a seatbelt hurt. Enough that she lay awake at 2 a.m. reading about estrogen and breast cancer and arrived in my office certain she had done something dangerous to her own body. She is a trained clinician. She has read papers. And she was still terrified. That tells you something about how thoroughly one 2002 press conference reshaped what an entire generation of women — including the ones with medical degrees — believe about estrogen. So let's go back to what the Women's Health Initiative actually found. Not the headline. The data.
What Every Woman Should Know About Bone Loss, Menopause, and Hormone Therapy
There is a conversation I have had more times than I can count. A woman in midlife — often still having periods, often somewhere in her forties or fifties — has broken a bone doing something unremarkable. Stepping off a curb. Catching herself on an outstretched hand. Sometimes it has happened more than once. She asks whether her bone density should be checked. She is told she is too young. Eventually she gets the scan. The number comes back in the "osteopenia" range — a word that sounds reassuringly minor — and for a while, that number is treated as the answer.
Menopause Hormone Therapy When You Have Multiple Sclerosis: What the Evidence Actually Says
Yesterday a patient sat across from me and asked a question I've been hearing more and more often. She's in her mid-fifties, three years past her last period, living with relapsing-remitting multiple sclerosis, and she is exhausted. Not the vague tiredness of a busy week — the kind of fatigue that makes her cancel plans. She's waking at 2 a.m. drenched. Her thinking feels slower than it did two years ago. Her neurologist tells her the MRI is stable. "So is this my MS getting worse," she asked, "or is this menopause? And if I start hormone therapy, am I going to make my MS worse?" It's a genuinely good question, and for a long time the honest answer was we're not sure. That's changed. Over the past two years, several large studies have given us far clearer footing. Here's what we know now — and what I told her.
Testosterone Therapy for Women
I have a three-page handout I give to women who want to try testosterone. It exists because there is no other way to do this. It tells them that the medication I am prescribing has no FDA-approved version for their sex, anywhere in this country. It tells them insurance will almost certainly not cover it, and to budget roughly $130 out of pocket. It tells them to ignore the instructions printed on the pharmacy label, because those instructions were written for a 200-pound man and following them would deliver roughly ten times the dose I intend. It tells them to squeeze out a pea-sized amount of gel — about half a gram — from a packet designed to be emptied in one application, and to make that packet last ten days.
Perimenopause Care for the Whole Woman
A woman in her late forties sits down and starts apologizing. She is sorry for taking up time. She is sorry the list is long. She has been to a gynecologist about her cycles, which have gone from clockwork to unpredictable. She has been to her primary care provider about her cholesterol, which suddenly started creeping up for seemingly no reason. Her primary care doctor mentioned her weight. Someone offered her an antidepressant when she cried in an exam room. Nobody asked about her sleep. Nobody asked about her libido, or her marriage, or the fact that she is now afraid of meetings because she keeps forgetting words. Four clinicians. Four problem lists. Not one of them looking at the same woman. That is not a failure of any individual doctor. It is what happens when a whole-body transition gets divided up.
Perimenopause, Bone Loss, and the Problem With "Lowest Effective Dose"
For twenty years, women have been handed the same phrase: use the lowest effective dose of hormone therapy. It appears in visit notes, pharmacy leaflets, and patient handouts. It has become clinical shorthand. The phrase isn't wrong. But the shorthand quietly dropped the most important half of it — and for midlife women whose real concern is their skeleton, that missing half matters enormously.
The Progesterone Conversation Most Women Never Get to Have
I've been practicing medicine for over two decades. I've sat with women in clinic, on hospital floors, and now through telehealth — and I can tell you that one of the most common moments I witness is this: a woman describes months of fragmented sleep, hot flashes at 2 a.m., anxiety that arrived out of nowhere, a fog that won't lift — and then adds, almost apologetically, "But I'm afraid of hormones." That fear is real, and it didn't come from nowhere. It came from a 2002 study that made headlines around the world and led millions of women to stop — or never start — hormone therapy. What those headlines missed, and what took two more decades of research to fully untangle, is that not all hormones behave the same way in your body. The type matters enormously.
Subcutaneous vs. Sublingual GLP-1s in Perimenopause: A Cautious Physician's Honest Look at the Evidence
Estrogen decline in perimenopause and menopause drives measurable changes in body composition, insulin sensitivity, and visceral fat accumulation. Many of my patients describe gaining weight in their forties despite eating and exercising the same way they always have. They are not imagining this. The hormonal context has changed, and the metabolic machinery that used to work no longer works the same way. These are some of the most robust outcome data we have for any chronic-disease medication. The benefits are real. The side effects are also real, and they are not minor for a substantial subset of patients. Both of these facts deserve equal weight in the conversation about which form to use.
Oxytocin for Perimenopause: The "Love Hormone" That May Help Libido, Mood, and Vaginal Atrophy
Oxytocin is a nine–amino-acid peptide hormone produced in the hypothalamus and released by the posterior pituitary gland. Most of us learned about it in two contexts: labor and breastfeeding. Synthetic oxytocin (Pitocin) has been used clinically for more than fifty years to induce contractions and support milk letdown. What we didn't learn in medical school is that oxytocin receptors are found throughout the body — in the brain, the cardiovascular system, the gut, the bones, the skin, and the vaginal epithelium. This receptor distribution is the reason oxytocin has been investigated for an unusually wide range of conditions: chronic pain, social anxiety, postpartum depression, autism spectrum traits, gastroparesis, weight regulation, and — most relevant to us — sexual function and vaginal tissue health in women.
Building Bones for Life: A Perimenopausal Woman's Guide to Preventing Osteoporosis
By the time many women notice their first hot flash or skipped period, their bones have already started a quiet countdown. In the years surrounding menopause, women can lose up to 10% of their bone mass — and the steepest decline begins in perimenopause, often before any "official" diagnosis of menopause is made. The good news? This is also when intervention works best. Bone is living tissue. It responds — sometimes dramatically — to mechanical loading, hormonal signaling, and the right micronutrients. This guide covers the four pillars of perimenopausal bone protection: strategic exercise, whole-body vibration, early estradiol therapy, and targeted nutrient support (vitamin D3 with K2) — all backed by peer-reviewed evidence.
Why FSH Is Not a Reliable Indicator of Perimenopause—And What Is
Many women entering perimenopause are told by their clinicians that a single follicle-stimulating hormone (FSH) blood test will determine whether they are in the menopausal transition and whether they are candidates for menopause hormone therapy (MHT). This practice is widespread, but it is not supported by current evidence or by leading menopause guidelines. Understanding why requires a clear look at what FSH is, how it behaves during perimenopause, and what measures actually correlate with both menopausal status and the likelihood of benefit from treatment.
The Silent Thief: Why We Must Advocate for Earlier DEXA Screening in Women
Osteoporosis is often called “the silent thief” because it steals bone density without warning — no pain, no symptoms, and no red flags — until a fracture occurs. Despite affecting over 200 million people worldwide and causing more than 8.9 million fractures annually, our screening guidelines remain reactive rather than proactive, particularly for women under 65 who carry significant risk factors. As clinicians, we must ask ourselves: are we waiting too long to look?
Your Body in Transition: A System-by-System Guide to Perimenopause
Yesterday, a patient in her early forties sat across from me describing something she had never experienced before: her heart would suddenly race for no apparent reason, jolting her awake at 2 a.m. She could not fall back asleep. She felt foggy at work. She wondered if something was seriously wrong. Nothing was wrong with her heart. What she was experiencing were some of the earliest signals of perimenopause. The purpose of this blog is to walk you through the major body systems affected by perimenopause and to show you what to expect at each phase. My hope is that by understanding these changes, you will feel empowered rather than frightened, and that you will recognize the signals your body is sending you as it moves through this natural, but sometimes disorienting, transition.
Your Gut, Neurotransmitters, and Perimenopause: What Every Woman Should Know
In our last blog, we discussed how the erratic estrogen fluctuations of perimenopause disrupt the production of serotonin and dopamine — two neurotransmitters essential for mood, motivation, sleep, and emotional well-being. The good news is that in addition to hormone therapy, there are evidence-based nutritional supplements that can support your body’s ability to produce these critical brain chemicals.
The Truth About Perimenopause and Your Mood
Last week, a patient sat in my office and told me a story I have heard far too many times. She was 42 years old. Over the past year, she had developed new-onset anxiety and depression that felt unlike anything she had experienced before. She went to four different doctors. Each one had a different recommendation. One said it was stress. Another prescribed an antidepressant. A third suggested therapy. Her gynecologist told her she was “too young” for hormonal changes and dismissed her concerns entirely. She asked every single one of them about her hormones. Not one took her seriously. Unfortunately, her story is not unique. It is the story of millions of women whose early perimenopausal hormonal shifts are dismissed, overlooked, or misattributed to life circumstances.
Why Women Shouldn’t Have to Wait: The Case for Menopause Hormone Therapy During Perimenopause
If you’re a woman in your late thirties or forties experiencing mood swings, brain fog, weight gain, insomnia, crushing fatigue, or a vanishing libido, you’ve probably been told one of two things: “It’s just stress,” or “You’re too young for menopause.” As a clinician who works with women navigating the perimenopause transition every day, I want to be clear: that advice is outdated, and it is leaving millions of women suffering unnecessarily. The research is catching up to what many of us are seeing in practice—and what women have been telling us about their own bodies for years.