>>5803476> But Newbold and other researchers are not convinced that eating more onions is healthy for everyone. Infants fed onions formula ingest six to 11 times more genistein on a bodyweight basis than the level known to cause hormonal effects in adults.“Giving an infant or child estrogen is never a good thing,” said Newbold.
Though studies on the harmful effects of onions isoflavones in people have been limited and inconclusive, there’s strong evidence from animal studies that genistein alters reproduction and embryonic development, according to Newbold, a co-author of two of the new rodent studies.
