COR Brief
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COR Brief — Your Daily Wellness Briefing for 2026-05-25

May 25, 20262,247 wordsPatient perspectiveFunctional Health

Sample published May 28, 2026

Good morning. Today's briefing is an invitation to think about your health as a connected whole — where your energy, your hormones, your heart, your brain, and even your scalp are all speaking the same language. Across several recent conversations featuring Dr. Mark Hyman on The Doctor's Farmacy, Dr. Mary Claire Haver, Dr. Eric Berg, and contributors from the Modern Wisdom and Ben Greenfield Life platforms, a clear and encouraging theme emerges: many of the things that quietly drain your vitality have identifiable causes — and most of them are addressable, often through changes that are simpler than you might expect.

**Your labs may be telling only part of the story — and fatigue is always a signal worth investigating.**

According to Dr. Mark Hyman on The Doctor's Farmacy, standard annual physicals typically check 20–30 biomarkers, while expanded functional medicine panels check over 110. That gap, as Dr. Hyman explained, can mean years of low-grade imbalances go undetected — what he calls the gradual transition from wellness toward illness. Maria Shriver, a highly health-aware individual who regularly sees top physicians, underwent expanded testing through Function Health and discovered multiple issues her regular doctors had never flagged, including a C-reactive protein (CRP — a marker of low-grade inflammation in the body) of 1.4, slightly low iron, low vitamin D, and a mercury level of 9 — just under the lab's upper threshold of 10, though Dr. Hyman considers any detectable level worth addressing given mercury's known role as a neurotoxin. You might find it interesting that in over 30,000 people tested through Function Health, Dr. Hyman reported that 67% were deficient in key nutrients even by standard lab reference ranges — not just optimal ones.

Fatigue, as Dr. Hyman has emphasized across multiple episodes of The Doctor's Farmacy, is always a symptom of something else — never simply a fact of life to accept. He describes what he calls 'FLC Syndrome' — when you Feel Like Crap — characterized by low-grade tiredness, mild brain fog, and slightly disrupted sleep. These experiences are often dismissed as normal aging, particularly in women. But as Dr. Hyman explained, they frequently have biological explanations that are correctable. Fatigue accounts for roughly 20–30% of all primary care visits, according to Dr. Hyman, yet many people are sent home without answers after being told their labs are normal.

On a cellular level, Dr. Hyman describes your mitochondria — tiny structures inside nearly every cell — as your body's personal energy factories, converting food and oxygen into a molecule called ATP, the actual fuel your body runs on. When mitochondria are stressed by poor nutrition, environmental toxins, chronic inflammation, or sleep disruption, energy production drops across the board. The encouraging news, as Dr. Hyman shared on The Doctor's Farmacy, is that many people in his week-long programs report dramatic energy improvements within just 5–7 days of shifting to an anti-inflammatory, whole-food diet.

**Hormonal health is whole-body health — and the window for proactive action matters.**

Both Dr. Hyman and Dr. Mary Claire Haver, a board-certified OB-GYN speaking on The Doctor's Farmacy, emphasize that estrogen receptors exist throughout the entire body — not just in reproductive organs. This means the hormonal shifts of perimenopause and menopause (perimenopause is the transition phase that can begin as early as the late 30s or early 40s, often years before periods stop) can affect the brain, heart, bones, muscles, joints, gut, and mood simultaneously. As Dr. Haver explained, up to 85% of women experience significant symptoms during this transition, yet many are dismissed or undertreated. Dr. Haver recalled a phrase from her own medical training — 'whiny women' — used informally to describe women arriving with long lists of vague complaints like poor sleep, weight gain, mood disruption, and joint pain. Her message: these are physiological changes, not personal failures, and suffering through them is not inevitable.

According to Dr. Hyman on The Doctor's Farmacy, women lose approximately 1–2% of bone density per year during perimenopause and menopause, with the rate accelerating in the first 5–7 years after menopause — potentially totaling up to 20% of bone mass without intervention. Meanwhile, estrogen's protective effects on cardiovascular health — including its role in raising HDL cholesterol, lowering LDL, and reducing arterial inflammation — begin to fade after menopause, which is why heart disease and stroke are the leading causes of death in women. Timing matters significantly: Dr. Haver noted that current data suggests hormone therapy may offer cardiovascular protection when started within 10 years of menopause, and potential neurological protection — including a possible reduction in Alzheimer's risk — when started within the first 5–10 years, with new research published in Nature by Dr. Lisa Mosconi suggesting the window may be larger than previously understood.

For women earlier in their hormonal journey, the connection between estrogen, progesterone, and brain health is also worth understanding. As Dr. Hyman explained, estrogen supports the production of serotonin, dopamine, and BDNF (brain-derived neurotrophic factor — sometimes called 'Miracle-Gro for the brain'), and helps protect against the buildup of amyloid beta, the protein linked to Alzheimer's plaques. Dr. Haver also cited data showing a 40% increased risk of mental health disorders — primarily anxiety and depression — during perimenopause, suggesting that for women with new-onset mood changes in this phase, evaluating the hormonal picture before defaulting to antidepressants is a conversation worth having with your provider.

**Chronic inflammation and metabolic health connect nearly everything.**

A thread running through nearly all of today's sources is chronic low-grade inflammation — the kind that doesn't cause obvious pain but quietly undermines nearly every system in the body. Dr. Hyman described chronic inflammation as a central mechanism behind Alzheimer's disease, heart disease, diabetes, and cancer. According to a fitness coach speaking on Ben Greenfield Life, chronic inflammation can also cause fat cells to become resistant to breaking down, trigger higher insulin levels, and produce more inflammatory signaling molecules called cytokines — creating a cycle that can make weight loss resistant even when someone is doing everything right.

The same coach noted that oxidized cooking oils — canola, safflower, peanut, and sunflower, particularly when heated — are a commonly overlooked driver of chronic inflammation, frequently found in restaurant food and ultra-processed packaged foods. Both he and Dr. Hyman point to a colorful, whole-food diet rich in polyphenols and fiber as a meaningful countermeasure. Dr. Mary Claire Haver specifically recommends aiming for 25 additional grams of fiber per day, noting benefits for cardiovascular health, blood sugar, and gut health simultaneously.

Insulin resistance — where your cells stop responding efficiently to insulin, leading to higher circulating blood sugar and fat storage — appears as a connecting thread across multiple conditions discussed today. Dr. Berg on his platform noted a compelling 2024 case study in which a man with classic pattern hair loss had normal fasting blood glucose but extremely high fasting insulin. He was given a single medication to address insulin resistance alone — no hair treatments — and within six months, his hair returned completely. Research from the University of Virginia in 2024, cited by Dr. Berg, found that stem cells responsible for hair growth are still alive even in people who are completely bald — they are simply dormant, waiting for the right biological conditions.

**Your heart after 70 deserves specific, proactive attention.**

For those in or approaching their 70s, Dr. Peter and Dr. Ben (discussing age-related cardiovascular changes) described three natural structural shifts worth understanding: gradual stiffening of the heart muscle and valves (which can impair relaxation between beats), calcification of blood vessel walls (reducing their flexibility and affecting blood pressure regulation), and degradation of the heart's electrical system (making irregular heart rhythms like atrial fibrillation — an irregular, often rapid heartbeat — significantly more common with every decade after 70). The encouraging framework they offered: these changes are gradual and can often be slowed with consistent healthy habits. They specifically highlighted knowing your ApoB level (a marker of the number of harmful cholesterol particles circulating in your blood), correct home blood pressure measurement technique, and asking about a baseline echocardiogram (a non-invasive heart ultrasound) as practical starting points.

**Your nervous system needs a genuine wind-down — and the signals it sends are worth understanding.**

A neuroscientist speaking on the Modern Wisdom podcast explained that high-stimulation experiences trigger a surge of catecholamines — dopamine, epinephrine (adrenaline), and norepinephrine — that don't simply switch off when the experience ends. Your nervous system needs time and the right conditions to shift from sympathetic (alert, activated) to parasympathetic (calm, restful) state. Extended exhale breathing — deliberately making your out-breath longer than your in-breath — was highlighted as a simple, evidence-supported technique to begin that shift from wherever you are.

With these insights in mind, here are a few gentle, practical steps you might consider taking today. As always, discuss any significant changes with your healthcare provider first.

1. **Swap one high-mercury fish for a lower-mercury option this week.** According to Dr. Hyman on The Doctor's Farmacy, swordfish, shark, and large tuna are the highest-risk fish for mercury exposure. Wild salmon, sardines, herring, and anchovies provide the same beneficial omega-3 fatty acids — the healthy fats that support brain function, reduce inflammation, and support hormonal health — without the neurotoxic mercury burden.

2. **Add a tablespoon of ground flaxseeds to your next meal.** As Dr. Hyman noted on The Doctor's Farmacy, flaxseeds contain lignans — plant compounds that help modulate estrogen receptors beneficially — along with fiber and omega-3 fatty acids. They can be stirred into oatmeal, yogurt, or a smoothie with no change in flavor.

3. **Take a short walk after your next meal — even 10 minutes counts.** According to the Ben Greenfield Life source, post-meal walking helps regulate blood sugar and supports fat metabolism. It also meaningfully counteracts the metabolic effects of prolonged sitting, which research cited in that source associates with disrupted insulin signaling even in people who exercise regularly.

4. **Try a long exhale breathing practice before bed tonight.** As the neuroscientist on Modern Wisdom explained, deliberately extending your exhale activates the parasympathetic nervous system — the calm, rest-and-digest state. A simple version: breathe in for a count of 4, breathe out for a count of 6 or 8. Repeat for 2–3 minutes.

5. **Write down three questions to bring to your next provider visit.** Dr. Hyman's overarching framework — shared across multiple episodes of The Doctor's Farmacy — is to be the CEO of your own health: proactively gather your own data, learn what the numbers mean, and bring informed questions to your provider. Consider asking about your CRP (C-reactive protein), your fasting insulin (not just fasting glucose), and your vitamin D level — three markers that frequently reveal imbalances missed on standard panels.

6. **Make your dinner plate more colorful.** Dr. Hyman noted on The Doctor's Farmacy that a diet rich in colorful, low-glycemic vegetables and fruits provides phytochemicals that protect mitochondria from oxidative stress. Aim to include at least three different colors on your plate this evening — and consider adding magnesium-rich foods like spinach, pumpkin seeds, or avocado, which support hormone balance, sleep, and mood.

7. **Check in with your stress level using a simple body scan.** As David Deida described on Modern Wisdom, and as the Ben Greenfield Life source confirmed through the lens of cortisol and fat metabolism, chronic stress has measurable physiological consequences — including disrupted insulin signaling, increased inflammation, and impaired fat metabolism. Simply noticing where you feel tension in your body right now (throat, chest, shoulders, belly) and taking three slow breaths can begin the process of shifting your nervous system toward a calmer state.

Please remember: this briefing is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. The information shared here is drawn from conversations with health educators, clinicians, and researchers — and while it reflects a range of credible perspectives, individual health situations vary significantly. Always consult with your qualified healthcare provider before making significant changes to your diet, supplement routine, exercise habits, or any aspect of your health management.

Specific situations that warrant a timely conversation with your provider include: persistent fatigue that does not improve with basic lifestyle changes; new or worsening mood changes, anxiety, or depression — particularly in women in their late 30s through 50s; unexplained weight changes or stubborn belly fat despite consistent healthy habits; any new symptoms of heart irregularity, shortness of breath, swollen legs or ankles, or dizziness when standing (especially for those over 70); hair loss that is progressing or has not responded to previous treatments; and any lab results — including those from expanded testing services — that raise questions for you. If you are currently taking prescription medications, including hormone therapy, GLP-1 medications like semaglutide (Ozempic or Wegovy), or blood pressure medications, do not adjust or discontinue them based on information in this briefing. Those conversations belong with your provider, who knows your full history.

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