Even when taking in fewer calories and nutrients, humans and other mammals usually remain protected against infectious diseases they have already encountered. This may be because memory T cells, which are located throughout the body and required to maintain immune responses to infectious agents. A new study in mice also found that animals undergoing dietary restriction were better protected against tumors and bacterial infections than animals with unrestricted diets.
Click here for original story, Memory T cells shelter in bone marrow, boosting immunity in mice with restricted diets
Source: ScienceDaily