How It Works Testosterone therapy restores the androgenic hormonal environment necessary for muscle protein synthesis, energy, libido, and metabolic health
Proper training is crucial for avoiding complications like infection and achieving the best results
Routes of administration include intraventricular, intracarotid, intravenous and intraperitoneal injection each producing different effective central exposures of an unstable peptide
To test for an association between raised IGF-1 levels and cancer risk, the researchers adjusted the statistical analyses to correct for a range of other characteristics including age, sex, geographical region, ethnicity, physical activity, smoking, alcohol consumption and (for women) HRT use