The group looked at more than 100 studies published since 2001 . Survivors reported higher levels of diabetes and respiratory problems such as asthma . More federal funding needed for medical care for at - risk groups , panel concluded . On September 11 , 2001 , Kathryn Freed watched from two blocks away as a plane hit the World Trade Center 's north tower . Watch 9/11 memorials in New York and Washington on CNN.com Live .
The group looked at more than 100 studies published since 2001 . Survivors reported higher levels of diabetes and respiratory problems such as asthma . More federal funding needed for medical care for at - risk groups , panel concluded . Watch 9/11 memorials in New York and Washington on CNN.com Live .