Importantly, these studies are unable to control for key confounders of cancer risk and this dataset is inherently prone to multiple types of bias
This is particularly true for people with hemophilic arthropathy (joint damage), which can make movement and exercise more difficult
Market penetration is improving through awareness campaigns and professional education
However, CJC-1295 (especially the DAC version) can cause sustained elevation in IGF-1, whichif mismanagedmay increase the risk of: Insulin resistance Carpal tunnel syndrome Soft tissue growth (in rare, prolonged cases) Pituitary overstimulation That said, these issues are more often associated with excessive dosing or continuous high-frequency use
In a Phase 2 obesity trial of retatrutide published in the New England Journal of Medicine in 2023, nausea, diarrhea, vomiting and constipation were cited as the most common adverse events, with higher doses associated with more severe problems
Additionally, it works well on all skin types, even sensitive skin, and is kinder than vitamin C