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The Journal

Long reads
for curious bodies.

Science, written like it's the first time someone explained it to you properly. Every piece reviewed by a physician on our team. No supplement affiliates, no clickbait, no algorithm chasing.

Published weekly · Tuesdays18 articles · 10 categoriesEdited by Dr. Ruth Okafor
Featured · Hormones
March 28, 2026 · 9 min

What your luteal phase is actually trying to tell you

A biomarker-level guide to the second half of your cycle — and why most doctors read it wrong.

RO
Dr. Ruth Okafor
Chief Medical Officer
All articles

Everything, in order.

17 articles
Hormones
Mar 24, 2026 · 7 min

Testosterone isn't just for men. Here's why yours matters.

Low libido, flat mood, foggy thinking — the biomarker most physicians won't order for women.

EV
Dr. Elena Vartak
Hormones
Mar 17, 2026 · 6 min

Cortisol at 7am: what a morning cortisol tells you about your entire year

The single most predictive biomarker for burnout — and when to measure it.

PS
Dr. Priya Shah
Thyroid
Mar 14, 2026 · 6 min

The five labs every perimenopausal woman should run

Your TSH is almost never the whole story. Here's the full thyroid cascade.

RO
Dr. Ruth Okafor
Thyroid
Feb 28, 2026 · 8 min

Hashimoto's: the diagnosis 8 million women are missing

TPO antibodies can show up a decade before your TSH shifts. Catch it early.

MK
Dr. Marisa Klein
Fertility & cycle
Feb 24, 2026 · 5 min

AMH isn't a countdown clock

What your ovarian reserve test does — and doesn't — predict about your timeline.

PS
Dr. Priya Shah
Fertility & cycle
Feb 18, 2026 · 7 min

Charting your cycle with data, not guesswork

Pairing basal body temperature with a four-point hormone panel.

AC
Amy Chen
Metabolic
Feb 12, 2026 · 6 min

Why 'normal' A1c is hiding your insulin resistance

Fasting insulin is the biomarker A1c misses by a decade.

EV
Dr. Elena Vartak
Metabolic
Feb 4, 2026 · 9 min

The lipid panel your cardiologist wishes you'd asked for

ApoB, Lp(a), hs-CRP — the three markers that reframe heart risk for women.

MK
Dr. Marisa Klein
Perimenopause & menopause
Jan 28, 2026 · 11 min

Perimenopause is a 10-year runway, not a cliff

What's happening biologically from your late 30s onward — and how to track it.

RO
Dr. Ruth Okafor
Perimenopause & menopause
Jan 22, 2026 · 10 min

HRT: reading the room on a decades-old debate

The 2023 Women's Health Initiative re-analysis, in plain language.

PS
Dr. Priya Shah
Nutrition
Jan 15, 2026 · 5 min

Ferritin, not hemoglobin — why iron deficiency hides from routine labs

The storage marker most GPs forget to order.

AC
Amy Chen
Nutrition
Jan 8, 2026 · 6 min

Vitamin D in February: an honest conversation

Why 40% of American women are deficient by late winter — and what to do about it.

EV
Dr. Elena Vartak
Longevity & aging
Dec 18, 2025 · 8 min

Biological age vs. chronological age: what the epigenetic clock actually measures

DNAm methylation assays, interpreted without the hype.

MK
Dr. Marisa Klein
Stress & sleep
Dec 10, 2025 · 7 min

Your cortisol curve is the map of your year

A four-point diurnal panel tells you more than any wearable.

PS
Dr. Priya Shah
Mental health
Dec 3, 2025 · 8 min

The hormonal mimics of depression and anxiety

Thyroid, cortisol, and iron — three biomarkers worth ruling out before any prescription.

RO
Dr. Ruth Okafor
Research briefs
Nov 28, 2025 · 3 min

Brief: new evidence on perimenopause and LDL

A 2025 JAMA paper reframes cardiovascular screening for women in their 40s.

ER
EllaDx Research
Research briefs
Nov 20, 2025 · 4 min

Brief: microbiome diversity and autoimmune risk

A prospective cohort links stool diversity scores to rheumatoid flags a decade out.

ER
EllaDx Research
Written by

Physicians,
not content marketers.

Every article is written or reviewed by a clinician on our medical team. No ghost-written SEO bait. No "may help support" weasel copy.

RO
Dr. Ruth Okafor
Chief Medical Officer

Board-certified endocrinologist. 14 years at Mount Sinai.

24 articles
EV
Dr. Elena Vartak
Endocrinology Lead

MD/PhD. Published on female hormone reference ranges.

18 articles
PS
Dr. Priya Shah
Reproductive Health Lead

Fertility and perimenopause. Former Stanford Health.

16 articles
MK
Dr. Marisa Klein
Cardiometabolic Lead

Preventive cardiology, specialized in women over 40.

12 articles
AC
Amy Chen
Clinical Health Coach

Nutrition and functional medicine. Writes the weekly practice column.

9 articles
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