Ready or not, back-to-school season is here, and kids will be bringing home more than homework. They’ll be carrying germs, too.

These viruses and bacteria will be agents that cause the common cold, influenza, norovirus, COVID-19, strep throat and more. There’s a reason why boxes of tissues and sanitizing wipes show up on most school supply lists.

As a nursing professor[1] with experience in public health promotion[2], I...

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In nematodes and humans, mitochondrial stress in the nervous system initiates a whole-body response that is most pronounced in the gut. A recent study showed that in nematodes, the odor of a pathogen triggers the nervous system to broadcast this response to the rest of the organism, prepping mitochondria in intestinal cells to fight a bacterial infection. Humans, too, may be able to sense pathogenic odors that prepare the gut for an infection.
Read more …Do smells prime our gut to fight off infection?

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