Lamar Odom has checked himself into rehab according to a source he's admitted himself into a treatment center in san diego it was his own decision he wanted to work on his mental and physical health for the next chapter of his life our insider adds he has not fallen off the wagon but he understands the importance of maintaining his sobriety Lamar's rep could not be reached for comment Odom was hospitalized last year after a near fatal overdose at the love ranch in Nevada he was placed on life support before regaining consciousness days leader.