Joseph Edward Lauzon Jr. (born May 22, 1984) is an American mixed martial artist competing in the UFC's Lightweight division. He is tied with Nate Diaz as having the most post-fight bonus awards in UFC history. Joe's younger brother, Dan Lauzon, is also a mixed martial artist.

Based on that paragraph can we conclude that this sentence is true?
Joseph Lauzon is younger than 40.