News

Microplastics have been found in human blood, lung tissue, and placental tissue. The question of how they get there, including through skin, is an active area of research with findings...

Sweat does more than cool you down during exercise. Research shows it accelerates the release of microplastics and chemical compounds from synthetic clothing into the skin. Here is what the...

Synthetic workout clothes release microplastic fibers every time you wear and wash them. Here is what the research says about how much, where those fibers go, and what a lower-shedding...

Sleeping in workout clothes is common. Whether it is a problem depends on what those clothes are made of and what happens to your skin and microbiome during eight hours...

Leggings do not cause yeast infections directly. But the fabric environment synthetic leggings create is one that Candida thrives in. Here is the mechanism, the evidence, and what a structurally...

The connection between leggings and UTIs is real but indirect. It comes down to fabric, moisture, and the bacterial environment your activewear either creates or prevents. Here is what the...

If your leggings still smell after washing, it is not a laundry problem. It is a fabric problem. Here is the science behind why synthetic activewear holds odor permanently, and...

Synthetic activewear contains chemicals that are classified as endocrine disruptors. Here is what that means, what the research says, and why the Lululemon PFAS investigation made this question impossible to...

Leggings are not inherently bad for your health. What they are made of, and what chemical treatments were applied before you bought them, is a different question. Here is what...

The question sounds alarmist. The research behind it does not. Here is what is actually known about the chemicals in yoga pants, what the Lululemon investigation revealed, and what a...

The fiber is not the whole story. By the time activewear reaches you, it has passed through dyeing, finishing, and treatment processes that introduce chemical concerns separate from the base...

Most clothing labels list fiber content. Almost none explain what that content means for your health. This is a practical guide to the fabrics that appear most in activewear and...