Muhammad Ali is sick ... but he's alive ... so says the Champ's daughter Laila Ali.
"He's good," Laila said at LAX on Thursday ... "Rumors about [his health] every year come out."
The latest rumors were spawned from an interview Muhammad's brother gave at a screening of "I Am Ali" last week -- where he reportedly said the 72-year-old icon is in bad shape and housebound.
But Laila says there has NOT been a drastic change in her father's condition recently -- explaining, "He is sick, but he's alive."
FYI -- Muhammad was diagnosed with Parkinson's syndrome in 1984 and his health has been in a steady decline ever since.
As we previously reported, Ali hung out with boxing champ Andre Berto back in April -- and Berto told us he was alert, intelligent and rooting for Kentucky to win the NCAA tourney.
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