Doesnt matter if you agree or not...from everything I've read, this woman is a GP and knows what she is talking about...and she has shown many times she willing to speak out and Protest against Cameron/Government when she doesnt believe something is right.....So by doing this now, its clear she no longer believes leaving is right for the country....This is a big loss for the "leave" campaigners in my opinion and just shows the lies and false hope they are being sold...I'm waiting for MP's of the "outs" to discredit Sarah Wollaston's claims but this is normal as no one likes to be told they wrong....
EU referendum: MP Sarah Wollaston swaps sides over 'untrue' Leave claims
Dr Wollaston, chairman of the health select committee, said Vote Leave's claim that Brexit would free up £350m a week for the NHS "simply isn't true".
Leave campaigners defend the £350m figure, saying it is the UK's gross contribution and any money received back is at EU officials' discretion.
But the Totnes MP, who is a GP, said: "For someone like me who has long campaigned for open and honest data in public life I could not have set foot on a battle bus that has at the heart of its campaign a figure that I know to be untrue.
"If you're in a position where you can't hand out a Vote Leave leaflet, you can't be campaigning for that organisation."
Dr Wollaston said she thought there would be a "Brexit penalty" on the NHS because leaving the EU would hit Britain's economy.
"The consensus now is there would be a huge economic shock if we voted to leave," she said. "Undoubtedly, the thing that's most going to influence the financial health of the NHS is the background economy. So I think there would be a Brexit penalty."