No link found
Wearing a bra
underwire, hours worn. Personal care.
- Verdict
- No link foundStudies looked for a link to cancer and didn't find one.
- How sure
- Rung 3 · ModerateConsistent observational studies or small trials, not yet confirmed by large trials.
- How big
- No link with hours worn, underwire or the age women started wearing bras.
The rung shows how sure the science is, not how big the effect is. How to read these ratings
Cancers affected
Breast
What the evidence shows
In 1,044 women with breast cancer and 469 without, there was no link with hours worn, underwire or the age women started wearing bras.
What to do
Wear whatever is comfortable.
Sources
To take it to your doctor, print this page.
Step by step
For the whole picture, from prevention and screening to treatment and life after, see the breast cancer page.