Dr. Leigh Erin Connealy, MD
@drconnealymd
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Author of THE CANCER REVOLUTION Medical Director of Cancer Center for Healing & Center for New Medicine
CA
Joined February 2017
We need to stop talking about “HRT” as if it’s one single ingredient. Estrogen and progesterone live under the same umbrella, but they have completely opposite effects. Estrogen stimulates cell proliferation. Progesterone promotes cell differentiation. When someone says
“It's very hard not to argue that this is the greatest single failure of the modern medical system,” says Dr. Peter Attia, referring to the hesitancy to prescribe hormone replacement therapy for perimenopausal and menopausal women. https://t.co/g7LbhIrY5f
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We've spent years chasing down Ray's claim that prenatal progesterone is associated with a 40 point (!) IQ increase. Now we have the original paper that shows it. In one generation we could produce millions of geniuses, all for an intervention that costs less than $1/day.
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You can buy Progest-E from Long's Natural Health (I have no affiliation) https://t.co/iDgSmD7q5v Doctors at Raena ( https://t.co/lXvqPOAv84) - also no affiliation - are experienced with using progesterone for women. As is @BioavailableNd, though she has limited ability to take on
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I've treated patients for 39 years, and I tend to see that many people are afraid of cancer, but they’re not necessarily concerned about the things that cause it. Unfortunately, we’re living in a world where harmful chemicals are everywhere. Every single day, we’re exposed to
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Products I don't use a doctor who treats cancer: 🧴🎧⬇️ - Febreze - Tide / Downy detergent - Splenda - Oatly oat milk - Bath & BodY works lotions and candles - AirPods - Keurig coffee pods - Neutrogena / Banana Boat sunscreens
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Brain cancer remains one of the most complex and least understood cancers. While clear risk factors haven’t been defined, we do know that the brain is highly sensitive to hormonal balance. It’s one of the body’s most active sites of steroid synthesis—glial cells can produce
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Some tools for prevention: 🧠 -increase glycine intake (bone broth, gelatin, etc.) - progesterone supplementation - T4 and T3 therapy - increase niacinamide intake (vitamin B3) - red light therapy - aspirin as an anti-inflammatory - put cellphone in airplane mode at night - use
A few drivers of brain tumors: 🧠 - poor glucose metabolism (the brain primarily relies on glucose - high PUFA diets (seed oils) - high serotonin (from chronic intestinal inflammation and certain medications) - high glutamate - excess estrogen - low progesterone - synthetic
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45 years ago tonight, a new era began. Ronald Reagan was elected 40th President of the United States. He is pictured celebrating with the woman who would redefine the role of First Lady, Nancy Reagan.
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A few drivers of brain tumors: 🧠 - poor glucose metabolism (the brain primarily relies on glucose - high PUFA diets (seed oils) - high serotonin (from chronic intestinal inflammation and certain medications) - high glutamate - excess estrogen - low progesterone - synthetic
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Best investments I've made for my health: Progesterone Wool bedding Friendships with farmers A Steinway piano Linen sheets Moving near the ocean Fresh juices delivered to my door Infrared sauna Deep friendships over fleeting ones T4 and T3 therapy A wifi kill switch
Best investments I've made for my health: Sauna Functional tests Pressure cooker Body Basal Temp tracker Lifting weights Therabulb infrared bulbs Having children Progesterone A great relationship with my butcher Saying no more often How about you?
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"Walking is man’s best medicine." - Hippocrates
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Exercise protects neurons through several mechanisms: - Improved blood flow: delivers more glucose and nutrients to neurons, keeping them metabolically active and functioning. - Enhanced oxygenation: supports mitochondrial respiration, which prevents the low-energy states that
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Hydrate. Hustle. GO! CELSIUS HYDRATION - The ultimate hydration for every move. CELSIUS. LIVE. FIT. GO!
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A new Nature Medicine study found that older adults who walked 5,000–7,500 steps a day showed slower buildup of tau protein—one of the key drivers of Alzheimer’s disease. Tau is like the scaffolding that keeps brain cells (neurons) strong and organized. It helps the “roads”
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What people think estrogen does: - defines womanhood and femininity - promotes feminine features - protects against heart disease and osteoporosis - boosts fertility and libido - keeps mood stable - improves brain function - prevents aging - helps regulate the menstrual cycle -
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The thyroid is the body’s thermostat, it sets the pace for how every cell uses oxygen and nutrients to make energy. That’s why low thyroid function doesn’t look the same in everyone. One person might feel anxious and wired, another might feel flat and tired, and another might
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Subclinical hypothyroidism is a state where the thyroid is underperforming, but not enough to show up as full hypothyroidism on conventional lab tests. Clinically, it means that TSH (thyroid-stimulating hormone) is slightly elevated, signaling that the brain is pushing the
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The Mianyang base of China Conservation and Research Center for the Giant Panda, which took three years to build, was put into trial operation on Tuesday. Thirteen pandas from Wolong Shenshuping and Dujiangyan bases of China Conservation and Research Center for the Giant Panda
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A few signs you may have subclinical hypothyroidism (despite having normal labs): 🦋🦋🦋 - fatigue even after a full night's sleep - difficulty losing weight - brain fog and forgetfulness - depression - lack of motivation - thinning hair / brittle nails - PMS and irregular
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10 foods I avoid as a doctor who treats cancer: ⬇️🥭🫛 1. Plant-based milks 2. Products containing soy 3. Diet sodas 4. Beyond meat and other vegan substitutes 5. Gluten free breads with added oils and gums 6. Chia seeds 7. Packaged foods with added protein (desserts, chips,
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Risk increased with longer duration of use: - 0–1 years: HR 1.11 - 1–5 years: HR 1.26 - 5–10 years: HR 1.34 While the relative increase is modest, it translates to about 13 additional breast cancer cases per 100,000 women per year, a meaningful figure at the population level.
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