<qa>  What is the QUICKI score?Secondary Outcome: 1.To determine the amount of steatosis, necroinflammatory activity, and fibrosis change in a group of participants with chronic hepatitis C and NASH or significant steatosis treated with Xenical vs. placebo for 36 weeks. 2. To assess for a difference in insulin resistance, as measured by the QUICKI score, before and after treatment with Xenical or Xenical placebo and diet and exercise. 