The Claim
Intermittent fasting alters immune cell composition in mice in a sex- and strain-dependent manner, with males exhibiting reduced B cells and CD4+ T cells and females exhibiting increased NK cells and eosinophils.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
Intermittent fasting changes the types and amounts of immune cells in mice, with male mice showing fewer B cells and CD4+ T cells and female mice showing more NK cells and eosinophils.
See the scientific wording
Intermittent fasting alters immune cell composition in mice in a sex- and strain-dependent manner, with males showing reduced B cells and CD4+ T cells, while females show increased NK cells and eosinophils, suggesting immune remodeling is not uniform and may reflect differential metabolic-immune crosstalk.
When food is restricted, the body changes how it uses energy, and these changes affect signals that control immune cells. In males, these signals reduce certain immune cells, while in females, they increase others. The exact genetic background of the mouse determines how strongly these signals respond.
What the research says
1 studyStudy: Genetic regulation of fasting-induced longevity effects
The study found that when mice fast, their bodies react differently depending on whether they're male or female and what breed they are — which matches the claim that fasting changes immune cells in sex- and strain-specific ways.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.