Brett Favre is fact-checking a recent report on his health ... saying while his Parkinson's has progressed, he is by no means throwing in the towel.
A popular sports social media account stated this week the Gunslinger has "given up hope" amid his battle with the disease ... an erroneous post that reached nearly two million sets of eyeballs.
We reached out to 56-year-old Brett ... and he scoffed at the idea he's accepting defeat.