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Welcome.

This is the show where we bring science.

What that essentially means is

Discoveries,

Bances, research, technology, unbelievable.

Without further ado, this is the naked scientist.

Hello, welcome to this week's naked scientist.

This is the program where we bring you the latest breakthroughs and talk to some of the biggest

movers and shakers in the world of science, technology and medicine.

I'm Chris Smith.

Coming up, the regulator says the Alzheimer's drug Lecanimab is safe, but nice, say we can't afford it.

Also the UK MOD launches its first Earth imaging satellite.

We talk to the makers and the BBC's Frank Gardner on why the UK's butterflies need our help

From Cambridge University's Institute of Continuing Education. This is the Naked Scientists. First this week the new Alzheimer's drug Lecanimab which can slow the progression of the

disease has been approved by the UK regulator the MHRA but it won't be available to patients on the NHS in England

because the National Institute for Clinical Excellence or Nice which weighs up the

cost effectiveness and economics of health care interventions, says the benefits are too

small to justify the costs.

Sir John Hardy is the chair of molecular biology of neurological diseases at the UCL Institute of

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