Complex sentence: Another reason for the Chills'inconsistent output is Martin Phillipps' health-for much of the 1990s he was laid low with hepatitis, a side effect of his then drug addiction problems.
Split into simpler sentences: Another reason for the Chills'inconsistent output is Martin Phillipps' health. For much of the 1990s, he was laid low with hepatitis, a side effect of his then drug addiction problems.