A study published in BioMed Central's open access journal Immunity & Ageing, suggest that women’s immune system remain younger for longer.
The researchers examined the blood of healthy volunteers in Japan, of age group 20 to 90 years. It was found that the total number of white blood cells per person decreased with age in both the sexes. The neutrophils’ count decreased for both sexes but lymphocytes decreased in men and increased in women. The rate of reduction in T cells and B cells was relatively slow for women than men.
The rate of The CD4+ T cells, white blood cells that are an essential part of the human immune system and NK cells, was found to have increase in women than men. Similarly, an age-related decline in IL-6 and IL-10 – a group of signalling molecules was worse in men.
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