Rosie O'Donnell said she's "never felt better" than at 64. Dia Dipasupil/WireImageRosie O'Donnell said she has "never felt better" than at 64 — and it's partly due to Mounjaro. O'Donnell said her doctor first recommended the drug to help manage her diabetes. She said the subsequent…This story appeared on businessinsider.com , 2026-08-12 04:45:30.