Complex sentence: Hendrickson had experienced medical challenges over the last few years, and had reportedly been suffering from depression since his mother's death in 2003; he had taken a leave of absence from the show to care for her.
Split into simpler sentences: Hendrickson had experienced medical challenges over the last few years. He had suffered from depression since his mother's death in 2003; he had taken a leave of absence from the show to care for her.