It has been a remarkable year of promise in medical science – from reversing blindness and paralysis to progress in cancer and infertility.
First gene-edited babies, probably.
A scientist in China caused the biggest stir in science for years when he claimed to have made the world’s first gene-edited babies.
The twin girls are apparently healthy.
Embryos were produced through IVF.
Then Prof He Jiankui claims he altered the babies’ DNA (the blueprint for building their bodies) to protect them from HIV.
But no details of the procedure have been published, so the claims have been treated with a dose of scepticism.
And the announcement provoked huge ethical debate about whether the procedure should have been performed.
Read more at: https://www.bbc.com/news/health-46597605