text: The analysis showed that sick patients had low gray matter levels in their foreheads upon discharge and for the next six months, even when cerebrovascular disease was controlled?
classes:  No, low levels of gray matter only affect the health of patients between 1 - 2 weeks.  Besides, low levels of gray matter only affect the health of patients between 1 - 2 weeks.  Yes, low levels of gray matter only affect the health of patients between 1 - 2 weeks.  Meanwhile, low levels of gray matter only affect the health of patients between 1 - 2 weeks.