The message is hammered over and over, in news conferences, hearings and executive orders: President Donald Trump and his health secretary, Robert F. Kennedy Jr., say they want the government to follow “gold standard” science.
Scientists say the problem is that they are often doing just the opposite by relying on preliminary studies, fringe science or just hunches to make claims, cast doubt on proven treatments or even set policy.
[Recently], the nation’s top public health agency changed its website to contradict the scientific conclusion that vaccines do not cause autism. The move shocked health experts nationwide.
Scientists say the process of getting medicines and vaccines to market and recommended in the United States has, until now, typically relied on gold standard science. The process is so rigorous and transparent that much of the rest of the world follows the lead of American regulators, giving the OK to treatments only after U.S. approval.

