Michael J. Fox has blasted Donald Trump and the GOP for its attempts to repeal Obamacare and cut Medicare.

The legendary actor, who suffers from Parkinson's Disease, spoke to AARP about how the discussed changes would lead to patients being forced to pay thousands of dollars in healthcare expenses.

'On average, Parkinson's patients in this country spend $12,000 to $17,000 a year out of pocket,' he told the magazine.

'Eighty per cent of Parkinson's patients are on Medicare.'

Michael J. Fox has blasted Donald Trump and the GOP for its attempts to repeal Obamacare and cut Medicare

The Back to the Future star then addressed the Republican elephant in Washington.

'If the Affordable Care Act and even Medicare come under the knife, that's not political,' he said.

'That's our lives.'

The star's charity, the Michael J. Fox Foundation, works tirelessly to raise money in an attempt to find a cure for Parkinson's.

Donald Trump has routinely promised to repeal and replace Obamacare. A Republican attempt to last week failed

'If the Affordable Care Act and even Medicare come under the knife, that's not political, that's our lives,' the Back to the Future star said

Since 2000, it has contributed an incredible $700 million as part of that mission.

He was also part of a 200-strong group that took the issue directly to DC last month, by meeting with lawmakers on Capitol Hill.

In his new interview, Fox also opened up about the impact the disease has had on his acting ability.

He said Parkinson's means he can't use 'the big bag of tricks' he relied on in the past, but said it forced him to become 'more in the moment' as an actor.

Activists gathered near Brooklyn Borough Hall where the staged a rally and symbolic 'die-in' in opposition to the repeal of the Affordable Care Act