Research

20 articles tagged “Research”

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Early HRT Cuts Fracture Risk 13%: 137K-Woman Study

A 137,484-woman propensity-matched study found women who started HRT within a year of menopause had lower osteoporosis and fracture risk. What it means.

Testosterone and Risk-Taking: 52-Study Analysis Debunks Myth

A 2026 meta-analysis of 52 studies and 17,340 people found essentially no link between testosterone and risk-taking. What it means for TRT patients.

UK Menopause Body Updates Testosterone Prescribing Guide

The British Menopause Society's May 2026 clinician tool keeps testosterone for HSDD only, sets gel/cream doses, and says skip the Free Androgen Index.

Cannabis and Testosterone: New Study Flips the Script

A 2026 University of Geneva study found cannabis users had 23% higher testosterone, not lower. What it means for TRT, fertility, and what to tell your clinic.

What Counts as Low Testosterone in Postmenopausal Women?

A new NHANES study maps testosterone levels in postmenopausal US women. Why there's still no clean low-T threshold, and what it means for treatment.

Menopause Shrinks Grey Matter; HRT Didn't Reverse It

A 125,000-woman UK Biobank study found menopause shrinks brain grey matter and HRT didn't reverse it. What the finding means and the dosing nuance.

Genetic Study Links Higher Testosterone to 17% Heart Risk

A Cambridge Mendelian randomization study of 1.4 million people found genetically higher testosterone raises coronary artery disease risk 17% in men.

Testosterone Gel Cuts Visceral Fat in Women After Hip Fracture

The STEP-HI trial found testosterone gel plus exercise reduced dangerous visceral belly fat by 10.6% in older women recovering from hip fractures.

TRT Cuts Death Risk 22% in Kidney Disease Patients

A 2026 propensity-matched study of 3,090 men with CKD found TRT lowered mortality 22% with no rise in heart attacks, strokes, or prostate cancer.

Microplastics Are Lowering Testosterone. Here's What to Do

New research confirms microplastics damage Leydig cells, cross the blood-testis barrier, and suppress testosterone. Practical steps to reduce exposure and protect your hormones.

Dietary Guidelines Now Cover Testosterone. What Works?

The 2025-2030 Dietary Guidelines added a testosterone section for the first time. Experts say the evidence is weak. Here's what actually moves the needle.

TRT Influencers Are Selling You a Diagnosis

A Sydney study found 72% of testosterone posts have financial ties and zero cite evidence. Here's how to spot the red flags before you get sold TRT you don't need.

BMS 2026 Progestogen Rules: Higher Estrogen Needs More

British Menopause Society updated its progestogen guidance May 2026. Higher estrogen needs higher progesterone for endometrial protection — here's how.

Menopause Society: No Testosterone Justification Beyond HSDD

The Menopause Society 2025 meeting said testosterone in women is justified only for HSDD, not muscle, bone, heart, mood, or fatigue. What the evidence shows.

TRT Before Hip and Shoulder Surgery: New 2026 Data

Two propensity-matched 2026 studies show preoperative TRT raises infection, kidney injury, and revision rates after hip and shoulder replacement.

TRT After Prostate Cancer: SPIRIT Trial Results

A new JAMA Internal Medicine trial randomized 136 prostate cancer survivors to testosterone or placebo. Here's what 24 weeks of data showed.

Testosterone in Women: 332-Patient Study Shows Energy, Mood Gains

A May 2026 study of 332 women on individualized testosterone therapy reports 84% energy gains and 90% quality-of-life improvement. What it means for HRT.

Testosterone Cuts Glioblastoma Death Risk 38% in NIH Study

A May 2026 Cleveland Clinic study in Nature found men on testosterone supplements had 38% lower glioblastoma mortality. What it means for TRT users.

Low T Tied to Prostate Cancer Progression: 924 Men

A 2026 MD Anderson study found low testosterone raised the odds of high-grade prostate cancer progression on active surveillance by 61 percent.

Diabetes Triples Low T Risk: New NHANES Study

A 2026 NHANES analysis using gold-standard testosterone testing names diabetes, obesity, and isolation as the real drivers of low T in American men.