The conundrum of human immune system "senescence".

"Declaration of Competing Interest AAC is founder and CSO at Oken Health. S.C.C. declares that he has consulted for and has received honoraria, test products and/or research funding from Abitec, Accera, Bulletproof, Servier and Nestlé Health Science, is the founder of Senotec and is co-inventor on a patent for an medium chain triglyceride formulation. OTN is supported by a fellowship on research productivity (grant 303540/2019-2) from CNPq/Brazil. "

"AAC is supported by a CIHR New Investigator Salary Award and is a member of the FRQ-S funded Centre de recherche du CHUS and Centre de recherche sur le vieillissement. SU is supported by the NIA/NIH grants R01AG062623 and R01AG070487. OTN is supported by a fellowship on research productivity (grant 303540/2019-2) from CNPq/Brazil. "