More than 55 million people worldwide are living with dementia, a neurological disorder that robs them of their memory and costs the world $1.3 trillion a year, the World Health Organization (WHO) said on Sept. 2.

Abbott announced the next phase of partnership with the U.S. Department of Defense and researchers from the Transforming Research and Clinical Knowledge in Traumatic Brain Injury (TRACK-TBI) Network, one of the largest traumatic brain injury efforts of its kind.

Yale University scientists succeeded in restoring basic cellular activity in pigs’ brains hours after their deaths in a finding that may one day lead to advances in treating human stroke and brain injuries, researchers reported.