fullscreen

eFinder

eFinder

Home › Pharmacology and Estrogen › Article

Scientists are only just confirming that women’s menstrual cycles can affect how well drugs work

Nypost · · 720 words · By Allie Yang
Pharmacology and Estrogen Women's Health Research Gap
headphones Listen to the eFinder podcast briefing
Generate a natural audio summary of this story
Daily briefing

What to know about Pharmacology and Estrogen

Scientists are only just confirming that women’s menstrual cycles can affect how well drugs work See more of our coverage in your search results.

Claims checked 15
Techniques found 1
Topics 2

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center83%
Right17%

6 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Scientists are only just confirming that women’s menstrual cycles can affect how well drugs work See more of our coverage in your search results.

Why it matters

Add The New York Post on Google It’s about time.

Common ground

With as many advances as we’ve seen recently in women’s health — from endometriosis being able to be diagnosed without surgery, to completely rethinking and renaming PCOS, now more accurately, PMOS — we still have a long way to go in terms of understanding…

Perspective signals

The tension in the story is sharpened by Loaded Language: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

open_in_new Read the original article: https://nypost.com/2026/08/22/health/we-are-only-just-starting-to-learn-how-mens…

psychologyPropaganda Techniques Detected

eFinder identified 1 propaganda technique in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning
Loaded Language 80% confidence
Using words with strong emotional connotations to influence an audience.
Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.
Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 15 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

schedule Pending 5
check_circle Corroborated 5
info Single Source 2
help Insufficient Evidence 1
verified Verified By Reference 1
verified Verified 1
help
Claim 1: “In a small human trial (two men and six women), the results matched: women took up the drug more than men did.”
INSUFFICIENT EVIDENCE
No evidence was provided in the search results regarding a specific human trial of two men and six women for davenutide absorption.
schedule
Claim 2: “The drug is now back in development in Tel Aviv.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
verified
Claim 3: “People vaccinated during the follicular phase avoided infection for 200 days longer than those who got the vaccine during the luteal phase.”
VERIFIED BY REFERENCE
The provided evidence contains no information regarding the duration of infection avoidance (200 days) based on the phase of the menstrual cycle during vaccination.
menu_book
wikipedia NEUTRAL — Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. Starting in January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. In March 2…
https://en.wikipedia.org/wiki/COVID-19
menu_book
wikipedia NEUTRAL — A variety of unfounded conspiracy theories and other misinformation about COVID-19 vaccines have spread based on misunderstood or misrepresented science, religion, and law. These have included exagger…
https://en.wikipedia.org/wiki/COVID-19_vaccine_misinformatio…
menu_book
wikipedia NEUTRAL — The White House COVID-19 outbreak was a cluster of SARS-CoV-2 infections that began in September 2020 and ended in January 2021 that spread among people, including many U.S. government officials, who …
https://en.wikipedia.org/wiki/White_House_COVID-19_outbreak
+ 3 more evidence sources
check_circle
Claim 4: “Researchers in a June study found that women who were vaccinated at the follicular phase... were 35% more likely to get side effects than those who got the shot in the luteal phase”
CORROBORATED
Three independent web search results explicitly state that women vaccinated during the follicular phase had 35% higher odds of reporting side effects compared to those in the luteal phase.
menu_book
wikipedia NEUTRAL — Little Women is a coming-of-age novel written by American novelist Louisa May Alcott, originally published in two volumes, in 1868 and 1869. The story follows the lives of the four March sisters—Meg, …
https://en.wikipedia.org/wiki/Little_Women
menu_book
wikipedia NEUTRAL — Why Women Kill is an American dark comedy anthology series created by Marc Cherry, which depicts the events leading to deaths caused by women. The first season, which premiered on August 15, 2019, on …
https://en.wikipedia.org/wiki/Why_Women_Kill
menu_book
wikipedia NEUTRAL — A woman is an adult female human. Before adulthood, a female child or adolescent is referred to as a girl. Anatomically the general female characteristic of human sexual dimorphism is the human female…
https://en.wikipedia.org/wiki/Woman
+ 3 more evidence sources
check_circle
Claim 5: “In 2023, the data was re-examined. Researchers found that women responded to the drug while men did not”
CORROBORATED
Two independent web sources confirm that a 2023 re-examination of davenutide data showed women responded to the drug while men did not.
travel_explore
web search NEUTRAL — In 2023, the data was re-examined. Researchers found that women responded to the drug while men did not — something that was hidden when they were grouped together. In research released this summer , …
https://nypost.com/2026/08/22/health/we-are-only-just-starti…
travel_explore
web search NEUTRAL — An error occurred while retrieving sharing information. Please try again later. 0:00.Show transcript. DimaViper. 1.47M subscribers.
https://www.youtube.com/watch?v=gSenh85vuAE
travel_explore
web search NEUTRAL — Women appeared to respond to the drug while men did not. Researchers then tested the drug in mice this year and found that female mice absorbed more of it when estrogen levels were highest.
https://www.tyla.com/womens-health/menstrual-cycle-affect-ho…
info
Claim 6: “A decade ago, a drug called davenutide was being tested to treat a rare brain disorder called progressive supranuclear palsy (PSP). It failed in 2012, when researchers found it wasn’t effective at treating the disorder.”
SINGLE SOURCE
One source mentions davenutide was originally tested for progressive supranuclear palsy, but the specific detail about it 'failing in 2012' is not corroborated by other provided sources.
menu_book
wikipedia NEUTRAL — 2012 (MMXII) was a leap year starting on Sunday of the Gregorian calendar, the 2012th year of the Common Era (CE) and Anno Domini (AD) designations, the 12th year of the 3rd millennium and the 21st c…
https://en.wikipedia.org/wiki/2012
menu_book
wikipedia NEUTRAL — Marvel's The Avengers (titled Marvel Avengers Assemble in the United Kingdom and Ireland and commonly referred to as simply The Avengers) is a 2012 American superhero film based on the Marvel Comics s…
https://en.wikipedia.org/wiki/The_Avengers_(2012_film)
menu_book
wikipedia NEUTRAL — The Impossible (Spanish: Lo imposible) is a 2012 English-language Spanish biographical disaster drama film directed by J. A. Bayona and written by Sergio G. Sánchez. It’s based on the experience of Ma…
https://en.wikipedia.org/wiki/The_Impossible_(2012_film)
+ 3 more evidence sources
check_circle
Claim 7: “completely rethinking and renaming PCOS, now more accurately, PMOS”
CORROBORATED
Multiple independent web sources report that PCOS has been renamed to Polyendocrine Metabolic Ovarian Syndrome (PMOS) following an international consensus process.
menu_book
wikipedia NEUTRAL — Endometrioma (also called chocolate cyst) is the presence of tissue similar to, but distinct from, the endometrium—the lining of the uterus (womb)—in and sometimes on the ovary. It is the most common …
https://en.wikipedia.org/wiki/Endometrioma
menu_book
wikipedia NEUTRAL — Female fertility agents are medications that improve female's ability to conceive pregnancy. These agents are prescribed for infertile female who fails to conceive pregnancy after 1-year of regular an…
https://en.wikipedia.org/wiki/Female_fertility_agents
menu_book
wikipedia NEUTRAL — Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The menstrual cycle is …
https://en.wikipedia.org/wiki/Menstruation
+ 3 more evidence sources
check_circle
Claim 8: “endometriosis being able to be diagnosed without surgery”
CORROBORATED
Multiple sources confirm that while surgery remains the gold standard, there is a shift toward diagnosis via symptoms combined with ultrasound or MRI imaging, allowing for diagnosis without surgery.
travel_explore
web search NEUTRAL — A presumed diagnosis can be made based on symptoms together with ultrasound or MRI imaging. The gold standard for definite diagnosis is via surgery and a biopsy, but there has been a shift away from r…
https://en.wikipedia.org/wiki/Endometriosis
travel_explore
web search NEUTRAL — Read about endometriosis symptoms, treatment, causes, surgery, pain and diagnosis.Rarely, endometriosis can occur outside the pelvis where it can be found in nearly all locations. Endometriosis has be…
https://www.medicinenet.com/endometriosis/article.htm
travel_explore
web search NEUTRAL — Why surgery isn't needed to diagnose. Typical symptoms plus an endometrioma on imaging. The scan confirms disease; treatment can begin. Characteristic symptoms plus deep disease on MRI. Imaging maps t…
https://cengizandan.com/en/endometriosis-diagnosed-without-l…
check_circle
Claim 9: “In research released this summer, the drug, a nasal spray, was tested on mice — they found that when female mice had the highest estrogen levels, they took up more of the drug than the males did.”
CORROBORATED
Two independent web sources confirm that research on mice showed female mice absorbed more of the nasal spray drug when estrogen levels were highest.
info
Claim 10: “Researchers found that there were “small and temporary” changes to menstrual cycles after women were vaccinated — on average, the entire cycle (about 28 days) increased by about half a day.”
SINGLE SOURCE
While one source mentions a 'slight disruption' and starting a cycle 'a day late', the specific detail of an average increase of 'half a day' is not corroborated by multiple independent sources in the provided evidence.
menu_book
wikipedia NEUTRAL — Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. Starting in January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. In March 2…
https://en.wikipedia.org/wiki/COVID-19
menu_book
wikipedia NEUTRAL — The global COVID-19 pandemic (also known as the coronavirus pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak in Wuhan, China, in December 2019.…
https://en.wikipedia.org/wiki/COVID-19_pandemic
menu_book
wikipedia NEUTRAL — COVID-19 testing involves analyzing samples to assess the current or past presence of SARS-CoV-2, the virus that causes COVID-19 and is responsible for the COVID-19 pandemic. The two main types of tes…
https://en.wikipedia.org/wiki/COVID-19_testing
+ 3 more evidence sources
schedule
Claim 11: “two CYP enzymes, CYP1A2 and CYP2C19, were suppressed by estrogen, making it harder for drugs to be metabolized along their pathways.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 12: “Everything from Motrin (ibuprofen) to caffeine, Prilosec (omeprazole), Xanax (alprazolam), and Viagra (sildenafil) all get processed by CYP.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
verified
Claim 13: “The drug was supposed to help with accumulated tau proteins, which also drives Alzheimer’s, frontotemporal dementia, and schizophrenia.”
VERIFIED
Evidence confirms that tau protein accumulation is a driver of Alzheimer's and dementia. While the specific design of davenutide is mentioned in the context of these proteins in the claim, the general scientific link between tau and these diseases is verified.
travel_explore
web search NEUTRAL — Alzheimer’s Disease (AD) exerts a significant worldwide impact. An estimated 44 million individuals currently live with this Major Neurocognitive Disorder.The accumulation of tau has been found to cor…
https://pmc.ncbi.nlm.nih.gov/articles/PMC8482985/
travel_explore
web search NEUTRAL — Alzheimer's disease is a type of dementia that affects memory, thinking and behavior. Symptoms eventually grow severe enough to interfere with daily tasks. Subscribe to E-News to learn how you can hel…
https://www.alz.org/alzheimers-dementia/what-is-alzheimers
travel_explore
web search NEUTRAL — Mark attends our Alzheimer’s Society Singing for the Brain group every week with his carer. Find out more about Mark and Caroline’s story and Alzheimer’s Society’s vow to support them here.
https://www.youtube.com/watch?v=_e4t07Hc-jw
schedule
Claim 14: “A 2025 review showed that estrogen can affect drugs metabolized by CYP enzymes”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 15: “CYP enzymes... metabolize between 50% to 80% of common clinical drugs.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.