In our latest installment of Ailments of Aging Rock Stars, we describe one thing that can happen to your feet after jumping around on stage for decades. Tyler ... As Steven put it in his book ...

U.S. rock star Steven Tyler, who was rumored to be battling a substance abuse problem, said he checked into a rehab facility to recover from foot surgery. "The doctors told me the pain in my feet ...

That's Aerosmith frontman Steven Tyler's excuse ... "The doctors told me the pain in my feet could be corrected but I would require a few surgeries over time," Tyler is quoted as saying.