LEARNING MORE EVERY DAY TMZSports.com
Brett Favre is taking an optimistic approach to his fight with Parkinson's ... telling TMZ Sports he "can't complain" about his lot in life -- although he did admit he is sometimes struggling, because "when I wake up in the morning, I feel like a board."
The Hall of Famer opened up about his disease on Thursday afternoon ... and check out his interview with us, it's clear, he's remaining super positive despite the dire diagnosis.
The 55-year-old says doctors have caught everything extremely early -- "In fact," he told us, "my doctor said you may be the earliest patient I've ever seen to come in.