Growth Hormone and Aging Continued: IGF-1 Levels and Longevity

As suggested in the last post growth hormone and its downstream partner IGF-1 have a somewhat controversial standing with regard to aging and longevity. Although observations of animals seem to suggest GH/IGF-1 shortens lifespan, such observations are not as clear with humans. Additionally, while GH/IGF-1 does seem to promote cancer it also to seems to prevent cardiovascular disease, depending on the context. Continue reading