β‐Guanidinopropionic acid extends the lifespan of <scp>D</scp>rosophila melanogaster via an <scp>AMP</scp>‐activated protein kinase‐dependent increase in autophagy

Previous studies have demonstrated that AMP-activated protein kinase (AMPK) controls autophagy through the mammalian target of rapamycin (mTOR) and Unc-51 li...