In February 2011, after Corinthians were eliminated from the 2011 Copa Libertadores by the Colombian team Deportes Tolima, Ronaldo announced his retirement from football, concluding an 18-year career. In an emotional press conference on 14 February, he cited pain and hypothyroidism as the reasons for his premature retirement. He discovered he had hypothyroidism – a condition which slows down metabolism and causes weight gain – during tests with Milan in 2007.
In February 2011 after Corinthians were eliminated from the 2011 Copa Libertadores by the Colombian team Deportes Tolima Ronaldo announced his retirement from football concluding an 18-year career In an emotional press conference on 14 February he cited pain and hypothyroidism as the reasons for his premature retirement He discovered he had hypothyroidism – a condition which slows down metabolism and causes weight gain – during tests with Milan in 2007