Our long national nightmare is over. America’s preeminent porn star has been given the green light to start screwing again.

Ron Jeremy, who last month was rushed to the hospital in critical condition following a heart aneurysm, is back on the prowl.

Jeremy not only told us he's feeling great following the procedures ... but he's already healthy enough to do what he does best ... telling us:

"They said to me at the clinic, that if you can walk up two flights of stairs you're able to have sex... so I walked up two flights of stairs and 3 ADDITIONAL stairs."

We’re very glad everything’s back to normal. A day without Jeremy haphazardly spewing sperm is no day at all.

[H/T: TMZ]