"The White House recently issued a press release with links to scientific studies to back up Trump's claim that use of acetaminophen, commonly referred to as Tylenol, during pregnancy causes autism, but those studies provided only weak and inconclusive, evidence, according to physicians with expertise in reviewing medical research who spoke to the Guardian. Jeffrey Singer, a surgeon and senior fellow at the Cato Institute who has written about the Tylenol/autism claims, said that the links in the White House press release showed that the claims contained a political spin."
"Jake Scott, a physician and member of the Vaccine Clinical Advisory Committee at Stanford, said the press release makes me sick in my stomach, to be honest, because they're presenting association as causation, for one thing. There is a much higher bar for proving causation than association. In this case proving causation would mean showing that eliminating exposure to Tylenol would actually reduce the number of autism cases."
A White House press release linked scientific studies to support a claim that prenatal acetaminophen use causes autism. Medical experts said the cited studies offered only weak and inconclusive evidence. The release duplicated links to the same studies, creating the appearance of multiple independent confirmations. A recent review associated with Mount Sinai and Harvard was presented as two separate studies, and a Boston Birth Cohort study by Johns Hopkins was linked twice. Experts warned that the release presented association as causation and noted that proving causation would require evidence that eliminating exposure reduces autism incidence. Analogous examples illustrate why association does not equal causation.
Read at www.theguardian.com
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