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Growth factors promote cell growth and tissue repair

Convenience: Easy to incorporate into daily self-care routines without injections or clinic visits

Laser Doppler Flowmetry Gingival blood flow (GBF) was measured by laser doppler flowmetry (LDF, Oxford Optronix Ltd, Oxford, UK) working at 780 nm

Data directionally consistent with Finnigan et al

Men with primary hypogonadism, meaning testicular failure due to prior chemotherapy, radiation, genetic conditions such as Klinefelter syndrome, or significant orchitis, are generally poor candidates because the problem lies in the testes themselves, not the signaling above them