‘A bombshell’: doubt cast on discovery of microplastics throughout human body

Scientists are challenging high-profile studies claiming to find microplastics throughout human bodies, arguing many discoveries result from contamination and false positives rather than actual plastic particles. Researchers have identified multiple flawed studies reporting microplastics in brains, blood, and organs, with critics saying rushed research and inadequate quality controls have produced unreliable results that could mislead public health policies.