Stopping and starting GLP-1s: what on-off use may do to weight loss
CBC looks at people cycling GLP-1s for short-term weight loss. A University of Pennsylvania mouse study found on-off use made the drugs less effective, and a Toronto trial led by Dr Daniel Drucker is now testing whether tapering off is safer than stopping abruptly.
Source: CBC News (27 Oct 2026). Image: CBC News.