An image of mitochondria in cow cells, stained bright yellow for visualization. Photo: Torsten Wittmann, University of California, San Francisco / NIH / Flickr Israeli researchers say they have found a new group of molecules to repair damaged cell tissue in the aging population, often the cause of diseases like Alzheimer’s, Parkinson’s, and heart failure. In the study, published in the monthly peer-reviewed journal Autophagy , Einav Gross and Shmuel Ben-Sasson of the Hebrew University of Jerusalem presented a group of molecules found in lab models which they say can renew cell vitality in diseased tissues, protecting human cells from...