From mediabiasfactcheck.org, dailymail.co.uk is determined to be a Far-Right news source with low rates of factual reporting. Read Media Bias / Fact Check's report here
DailyMail attributes synethic activewear to be a cause for increased changes of infection, specifically Urinary Tract Infections (UTIs) such as Cystitis.
The scientific claim being made in this article is not false. As showcased by the National Library of Medicine in a scientific journal article titled "Microbial Odor Profile of Polyester and Cotton Clothes after a Fitness Session" the following is said about synthetic athletic wear:
"The polyester T-shirts smelled significantly less pleasant and more intense, compared to the cotton T-shirts. A dissimilar bacterial growth was found in cotton versus synthetic clothing textiles. Micrococci were isolated in almost all synthetic shirts and were detected almost solely on synthetic shirts by means of denaturing gradient gel electrophoresis fingerprinting." Read the full article here.
The DailyMail article is not misleading in its claim, but the word choice and framing are intentionally sensational and could be described as "clickbait" -- Here are some excerpts from their "Trending" tab to help show the trend of headline writing that DailyMail follows:
"Doctor given months to live reverses her cancer with new therapy"
"Subtle signs in legs that indicate cholesterol and heart attack risk"
"Do YOU wake up at 3am every night? Guru reveals how to beat the issue"
"Trump trolls Harris and Biden by riding a GARBAGE TRUCK to his Wisconsin rally"
"Women are making a mistake in the gym that could leave them with an agonising [sic] infection, doctor warns" aligns with their trends in headline writing.
Conclusion: Exaggerated / Misleading
While the scientific evidence presented is true, DailyMail applies sensational phrasing that dramatizes the information presented with no benefit to the reader's understanding of the subject.