A key goal in aging research is not just to extend life, but to ensure more people live longer and healthier lives with less variation in age at death, a concept known as “squaring the survival curve.” Using a recent meta-analysis, Dr. Tahlia Fulton and Associate Professor Alistair Senior from the University of Sydney School of Life and Environmental Sciences have re-examined how dietary restriction and two related drugs, rapamycin and metformin, affect variation in age at death in vertebrates.
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