Complex sentence: In 2008, Mann started getting treated for attention deficit disorder, something which he says has helped his focus and which he occasionally mentions in his "Back to Work" podcast on the 5by5 network.
Split into simpler sentences: In 2008, Mann started treatment for attention deficit disorder, something which he says helped his focus. He occasionally talks about his experiences with ADHD on his "Back to Work" podcast on the 5by5 network.