An Ohio student who said he went his entire life without numerous vaccines testified before Congress on the dangers of misinformation and ideas that fuel the anti-vaxxer movement and put many young people at risk.

Ethan Lindenberger notably got vaccinated without his parents' permission once he was old enough, acting against his mother's incorrect belief that vaccines cause autism, brain damage, and other ailments.

"My mother is an anti-vax advocate [who] believes that vaccines ... do not benefit the health and safety of society, despite the fact such opinions have been debunked numerous times by the scientific community," Lindenberger told a Senate committee on Tuesday.

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