Cheltenham Science Festival

So high risk variants, less or delayed conformational change.

And Dr. James Davis did say at the Cheltenham Science Festival, deaths around the world are hundreds of thousands to a million as a result of this genetic change inherited from Neanderthals.

So working with Dr. Simon Underdown together, The Neanderthal gene first infiltrated humans 60,000 years ago.

One event, one breeding event, one child, and that's how it got in.