IGFs are predominantly produced by the liver, although a variety of tissues produce the IGFs at distinctive times
They are not approved by the FDA for human consumption, medical treatment, or supplementation, and should only be purchased and used for laboratory research purposes
Among firms offering health benefits, 16% believe that their employees level of concern over the affordability of cost sharing is high, 29% believe the level of concern is moderate, 28% believe the level of concern is low, 20% believe the level of concern is none, and 7% do not know the level of concern [Figure 13.22]
TAMs, predominantly of the M2-like phenotype, and MDSCs secrete immunosuppressive cytokines (e.g., IL-10, TGF-) that inhibit T cell function and drive immune exhaustion