Healthy women who have a family history of breast cancer could be offered drugs on the NHS to cut their chances of contracting the disease.
Dr Hilary told ITV Daybreak that the offer of medication is a 'historic breakthrough' against cancer prevention.
Currently a draft consultation, he added that the challenge lies with the ability to roll these drugs out across the country.
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Setting out the scope of the Bill, Brexit Secretary David Davis said it would be "integral" to ensure a smooth and orderly exit from the EU.
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Neil Conway, who has terminal motor neurone disease, vowed to continue his battle against assisted dying law despite losing a High Court bid