Perhaps you should try some spelling variations:
lipid decrease » rapid decrease (Expand search), ligand decrease (Expand search), limb decrease (Expand search)
decrease lipid » increases lipid (Expand search), increased lipid (Expand search)
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
that increase » an increase (Expand search), not increase (Expand search), can increase (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease in (Expand search)
risk objects » risk subjects (Expand search), disk object (Expand search), first objects (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to decrease (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease OR decrease that increase ) OR ( decrease lipid decrease risk objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decrease that increase ) OR ( decrease lipid decrease risk objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decrease that increase ) OR ( decrease lipid decrease risk objects ))*.