On Monday, Sen. Richard Blumenthal (D-Conn.) awarded the Purple Heart to Air Force First Sgt. Adam Jackson, who was injured in Afghanistan more than 16 years ago. At the time, he was in the Army.

a heart-specific enzyme that may prevent heart stiffness by activating TPM1 in heart muscle fibers. HFpEF, a growing global concern, is an incurable form of heart failure with limited drug treatment ...