Dr. Laura Haynes Receives Second NIH R21 Grant Posted on February 6, 2019February 6, 2019 by Sheryl Rosen Congratulations to Dr. Laura Haynes on receiving her second NIH R21 grant which studies how senescence impacts CD4 T cell function: “Does the Senescent Environment Contribute to Age-related Changes in T Cell Function.” Earlier last year Laura received a NIH R21 grant entitled, “Impact of Aging and Influenza Infection on Muscle Health.”