Why Vaccines Don’t Cause Autism

Many kids are vaccinated at age two, the same age at which autism is often first noticed. But the “evidence” that one causes the other doesn’t wash.

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April 22, 2011

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Many kids are vaccinated at age two, the same age at which autism is often first noticed. But the “evidence” that one causes the other doesn’t wash.

Monthly Issue April 2026

In this monthly issue, we examine how our understanding of energy — and how we source and use it — is evolving.

1 video 11 articles

Many facts are well-known to professionals, but are unappreciated or even rejected outright by the public. "How stars work" takes the cake.

by Ethan Siegel

For decades, theorists have been cooking up "theories of everything" to explain our Universe. Are all of them completely off-track?

by Ethan Siegel

The famous framework ranks civilizations by energy use — but ignores a critical factor that can halt their progress.

by Adam Frank

A Columbia researcher argues that everything from stress to aging comes down to how energy moves through your body.

by Jasna Hodžić

Learn from the world's biggest thinkers.