Perhaps you should try some spelling variations:
decreased brain » decreases brain (Expand search), increased brain (Expand search), decreased in (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
brain decrease » brain decreases (Expand search), brazil decrease (Expand search), strain decrease (Expand search)
during objects » using objects (Expand search), cutting objects (Expand search), warping objects (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease hiv (Expand search)
risk decrease » risk decreases (Expand search), risk increase (Expand search), break decrease (Expand search)
in decreased » is decreased (Expand search), in deceased (Expand search), and decreased (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease in decreased brain decrease ) OR ( decrease risk decrease during objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease in decreased brain decrease ) OR ( decrease risk decrease during objects ))*.