A study in 1998 indicated that vaccines likely cause autism in children, and the study became so popular that many people to this day think there’s a link between vaccines and autism—despite 14 subsequent studies of millions of children showing no correlation between autism and vaccines, and the General Medical Council having deemed the original study as "dishonest and irresponsible," and the author of the study (Andrew Wakefield) being barred from practicing medicine in the UK and US.