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Health Hub / Research
The studies and articles behind the Puure Health Hub, summarized in plain language. Every card links to its source.
Educational information, not medical advice.
HormonesChemicals
Reviewed the strongest evidence on how chemicals such as BPA, phthalates and pesticides affect hormone systems, including female reproduction and hormone-sensitive cancers, with developmental exposures of special concern.
Read the source →ChemicalsCancer
Among 33,000+ women followed about 11 years, frequent straightener users had roughly 2.5 times the risk of uterine cancer. By age 70, an estimated 1.6% of never-users versus 4.1% of frequent users. An association, not proof of cause.
Read the source →ChemicalsFibroids
Chemicals found in everyday products activated fibroid growth in human cell models. Early, laboratory-stage evidence.
Read the source →Skin absorption
Absorption of hydrocortisone was significantly greater through vulvar skin than forearm skin in both pre- and post-menopausal women.
Read the source →Fibroids
Across 60 publications, Black race was the one factor consistently linked to a two- to three-fold higher risk of fibroids. Age, parity and other factors also matter.
Read the source →FibroidsLifestyle
In 33 studies, higher BMI was the strongest modifiable risk factor, while high fruit and vegetable intake and vitamin D were protective. More research is needed on existing fibroids.
Read the source →Endometriosis
Supports a clinical diagnosis from history, symptoms, exam and imaging so treatment can start without surgery. Diagnosis typically takes 4 to 11 years.
Read the source →EndometriosisChemicals
Most studies reviewed found an association between endometriosis and BPA or organochlorine pollutants such as dioxins, with some evidence for phthalates. Other appraisals call the evidence weak, so causation is unproven.
Read the source →PCOS
Backed by 39 organizations in 71 countries. Updates the diagnostic criteria and centers healthy lifestyle and emotional wellbeing. Evidence quality is mostly low to moderate.
Read the source →PCOSChemicals
A positive association between BPA and PCOS was found in 19 of 22 studies, mainly with high androgen levels. Associations, not proof of cause.
Read the source →PCOSChemicals
Found an association of BPA with PCOS. Evidence for parabens and triclosan is limited, with only one study each and no significant association.
Read the source →Screening
Recommends a mammogram every 2 years for women ages 40 to 74 at average risk.
Read the source →Screening
Proposes screening ages 21 to 65: Pap tests every 3 years at 21 to 29, then HPV testing every 5 years from 30 to 65, with Pap or co-testing as alternatives.
Read the source →Menopause
Average age 51. Perimenopause lasts 2 to 8 years, pregnancy is still possible, and treatments range from lifestyle changes to hormone therapy.
Read the source →Preconception
400 mcg of folic acid daily from at least one month before pregnancy through the first 12 weeks helps prevent neural tube defects.
Read the source →PregnancyChemicals
Links prenatal phthalate exposure to altered thyroid and sex hormone levels in mothers and children, and recommends steps to reduce exposure.
Read the source →PregnancyChemicals
Phthalate metabolites turned up in over 95% of pregnant women’s urine samples. A researcher called the exposure widespread but low.
Read the source →PregnancyDiet
Diet is a major source of exposure to certain phthalates, so food processing and packaging matter alongside clothing.
Read the source →Postpartum
Recommends contact within 3 weeks of birth and a comprehensive visit no later than 12 weeks, covering mood, recovery, contraception, sleep and chronic conditions.
Read the source →This library is for educational purposes only and is not medical advice. A study’s findings may not apply to your situation. Talk to a qualified healthcare provider about your health.
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