But when we age, this pathway becomes overactive, offering too many muscle-building new proteins without clearing away the old, damaged ones. We’ve known for a while that this buildup of damaged proteins leads to greater muscle weakness, but we weren’t sure why it happened.
Article source: https://www.huffingtonpost.co.uk/entry/reversing-muscle-ageing-study_uk_6a54ea54e4b09843d52bf447