Overview
- General manager John Lynch said the team is contacting researchers to see if any credible studies address the alleged health risk.
- Independent experts cited across recent reporting say there is no firmly established evidence that typical low‑frequency electromagnetic fields cause soft‑tissue injuries.
- The electrical substation, operated by Silicon Valley Power, has been next to the Santa Clara facility since 1986, predating the 49ers’ use of the site.
- The theory surged after wellness promoter Peter Cowan posted Gauss‑meter readings on Jan. 6 that drew tens of millions of views on social media.
- No authoritative field measurements or utility reports have been released publicly, and the check is part of a broader offseason review following a year of significant injuries.