Researchers found that 95% of wristbands were contaminated with some kind of dangerous bacteria. Getty Images/iStockphoto “On the average,” the authors wrote, “the trend of bacteria load was ...

The goal was to find a “between the material of the wristband and bacteria build-up.” ... A rare look inside the durability lab where Apple tortures its products. Ben Lovejoy Jul 4 2025.

“Silicone wristbands absorb chemicals very similar to how a human absorbs them,” said Penelope Quintana, Ph.D. MPH. Dr. Quintana is a professor with San Diego State’s School of Public Health.