He'll take part in the BBC2 documentary called A World Without Down's Syndrome. Don't miss it, it's on BBC2 at 9pm.
This film explores the science and thinking around the proposed new screening test for Down's syndrome and its possible availability on the NHS.
Driven by the experience of raising her son Olly, who has Down's syndrome, Sally explores some of the ethical implications of our national screening policy.
By talking to experts in the Down's syndrome community, the world's top scientists and including people with Down's syndrome in the debate, Sally investigates a thorny subject that begs questions relevant to us all: what sort of world do we want to live in and who do we want in it?
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