A device that measures nighttime female “erections” to gauge longevity?
asserted
that → measure → longevity
Now that’s a biohacker’s wet dream.
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that → ’ → ?
Every night, Kate Tolo inserts a $15,700 “research grade erection device” into what her boyfriend and business partner, biohacker Bryan Johnson, famously called her “top 1%” vagina.
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boyfriend → insert → what
In fact, both of them wear an erection tracker nightly.
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both → wear → tracker
Johnson says he’s looking to maintain healthy erections, which some experts agree is a predictor of longevity for men.
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experts → say → men
And Tolo — despite not having a penis — wants in on the action.
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Tolo → have → action
Tolo says women get “erections” too — and it’s possible that tracking them could give ladies similar longevity insights.
uncertain
tracking → say → insights
She claims to be picking up on research from more than 40 years ago that could pull back the curtain on women’s sexual dysfunction and possibly even show early signs of heart issues, as it does in men.
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it → claim → men
During sleep, blood flows to the clitoris, causing it to swell as if aroused.
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it → flow → clitoris
And using devices similar to Tolo’s — a tampon-shaped light sensor, which she calls her “techno tampon” — research has shown that blood flow in the vaginal tissues does spontaneously surge during sleep, which is also associated with arousal.
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which → use → arousal
“The light sensor inside my probe is the same kind smartwatches use to read your heart rate,” she explained.
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she → use → rate
That said, it’s been a long time since someone has published research on insights this tech can give us on female health — or improved upon the tech at all, she says.
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she → say → tech
“The tech was invented in 1975 and hasn’t changed in 50 years.”
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tech → invent → years
Tolo’s vaginal “erection” data is not easy to get.
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data → get → ?
Her device costs $15,723.68 and is like “lab equipment in my bedroom,” she said.
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she → cost → bedroom
“I insert the 5cm probe [and] tape a wire to my leg that is plugged into a machine and a laptop.
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that → insert → machine
The laptop can’t fall asleep or we lose the data.
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we → fall → data
I sadly learned that through experience.”
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I → learn → experience
Meanwhile, Johnson’s can be bought online for $275 and connects to a smartphone.
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Johnson → buy → smartphone
“I’ve tracked my nighttime erections for years …
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I → track → years
It’s one of the best signals I have for vascular health, and it costs $275,” Johnson said.
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Johnson → ’ → 275
“The gap in our devices sums up the current status of female health.
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gap → sum → health
What the ‘techno tampon’ can tell us
In 1985, a study found that vaginal blood flow changed with sleep stages, heightening during REM.
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flow → tell → REM
This indicates “a nightly erection cycle,” Tolo said.
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Tolo → indicate → cycle
They also found that all women had nighttime erections — regardless of how easily aroused each participant rated herself.
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participant → find → herself
Tolo says nighttime vaginal blood flow could be a powerful test to see if female sexual dysfunction is something physical or psychological.
uncertain
dysfunction → say → ?
For example, if blood flow happened unconsciously at night but arousal failed during the day, that could point to a psychological problem.
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that → happen → problem
This test was proposed by researchers in 1985.
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test → propose → 1985
“It’s so sad that their proposal has been sitting in a journal for 40 years,” she said.
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she → ’ → years
The second potential use would be using the “techno tampon” to predict heart issues.
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use → use → issues
Heart disease is the leading cause of death for both men and women.
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disease → lead → men
In men, erectile dysfunction is a known early warning sign of cardiovascular disease.
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dysfunction → know → disease
Some experts believe it’s because arteries in the penis are much smaller than in the heart, so plaque build up will appear there first, making it harder to get an erection.
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it → believe → erection
Tolo argues: Women have the same kind of erectile tissue with similarly small arteries, but no one has followed vaginal blood flow over time to see if it predicts heart disease as it does in men.
“
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it → argue → men
In men, the reasoning behind nocturnal tumescence testing has been that if erections still happen during sleep, the vascular and neurological machinery is intact — though even in men the test is more limited than people assume,” explained Dr. Hillary Seger, a member of Tolo’s care team.
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Seger → happen → team
Kate’s recordings are the first look I’ve had at how this signal behaves across a full menstrual cycle.
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signal → have → cycle
This year, she created “the female protocol” to measure 1,900 biomarkers across blood, urine, stool and vaginal microbiome, while holding diet, sleep and exercise constant.
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diet → create → blood
The Aporia
