Yet more GLP1 news this week. People regain on average 60% of their lost weight within a year of stopping GLP-1 drugs — and the regained weight may be disproportionately fat rather than muscle. So are a tool that biohackers have known about for years - CGMs - the answer? Sharam Fouladgar-Mercer is the co-founder of Signos, the first ever FDA-cleared glucose system for weight management.