For a long time, it was believed that there was no aging without inflammation. In other words, inflammation was inseparable from age. We even use the term ofinflammaging, Valying word formed from inflammation et aging (“Aging”), to name a persistent inflammatory state that is observed in the elderly.
But a new study, whose results published on June 30 in Nature Aging, calls into question this link. By analyzing the blood samples of around 2,800 adults aged 18 to 95, its authors show that persistent inflammation, called “low grade”, would be more the result of the diet, the Western lifestyle or the environment than that of aging.
One of them, Alan Cohen, of Columbia University, in New York, explained to Nature that it was necessary “Completely rethinking the nature of inflammation”.
“Everything we think universal is in fact based on studies carried out on Western and industrialized populations, and is therefore probably specific to our environment.”
To arrive at this stunning conclusion, the researchers compared the proteins produced by immune cells and which are involved in the inflammation of individuals from Italy, from Singapo
