Articles
The long reads
Everything here cites the primary research, names the study design, and tells you how many people were in the trial. Where the evidence is unsettled, it says so.
Testosterone for Women: What It Actually Does to Your Brain
At an FDA hearing, a patient described what testosterone restoration felt like from the inside. This is the brain science behind why so many women never get tested, and what changes when they do.
12 min read
Testosterone Side Effects in Women: What's Real and What's Just Too High a Dose
Clitoromegaly, voice change and hair loss get used to scare women off testosterone. At female doses the global consensus found no association with any of them. Here's the whole list, what dose each one belongs to, and what to do if you get one.
8 min read
Why Testosterone Studies in Women Keep Finding Nothing
Study after study concluded testosterone does nothing much for women. They measured it with an assay that can't read female concentrations, ran for twelve weeks, and asked about the wrong outcome. Here's why the null results don't mean what they get quoted to mean.
7 min read
Why There's No FDA-Approved Testosterone for Women, and Why There Used to Be
The United States approved five estrogen-and-testosterone products for women, prescribed them for decades, and then withdrew every one. No manufacturer has been back since, and the reason is a generic molecule with no patent worth defending.
9 min read
Low Testosterone or Depression? How to Tell the Difference
You can be on an antidepressant that is working and still feel a flatness it cannot touch. For many women that flatness is not depression at all, it is testosterone deficiency on a different brain system.
18 min read
Low Testosterone in Women Over 40: Drive, Ambition, and Energy
By around age 40, a woman's testosterone is roughly half what it was in her twenties, the hormone that quietly runs drive and ambition. Here's what getting it back actually looks like, and what it might mean if millions of women did.
12 min read
Birth Control and Testosterone: Why Your Total Reads Normal and Your Free Does Not
The pill raises SHBG, the protein that binds testosterone, hard enough that your total testosterone can read perfectly normal while the fraction your cells can actually use collapses. Two women, identical labs, completely different free hormone levels.
8 min read
Testosterone Pellets and Endometrial Risk in Women
Hormone pellets are convenient, but in one published study more than 20 percent of women on them developed endometrial hyperplasia. Here is the science your provider may not have mentioned.
9 min read
Testosterone Dosing for Women: Forms, Starting Doses, and How Long Each Takes to Work
Testosterone dosing for women in specifics: cream, gel, pellets and injections compared, realistic starting doses, what to test, and when to expect a change.
15 min read
Low Sex Drive in Perimenopause: Testosterone, Desire, and What Actually Helps
Low sex drive in perimenopause has a physiology behind it. What happens to desire, where testosterone fits, and the options with evidence behind them.
14 min read
Perimenopause Symptoms and Irregular Periods: What Counts, What's a Red Flag, and the 34-Symptom List
Irregular periods in perimenopause have a published definition. The staging criteria clinicians use, the full symptom list, and the bleeding to get checked.
16 min read
Menopause Brain Fog: What's Happening, How Long It Lasts, and What Helps
Menopause brain fog is measurable, mostly temporary, and not early dementia. What the research shows about perimenopause and memory, and what actually helps.
12 min read