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For most of human history, hookworms and other parasitic worms were ubiquitous companions to our species, and our immune systems evolved in their presence. The idea, known as the hygiene hypothesis or 'old friends' hypothesis, is that the absence of these organisms in the modern developed world has left our immune systems without the regulatory signals they evolved to expect — potentially contributing to the rise of allergies, autoimmune diseases, and inflammatory conditions.

Radiolab
15h ago

For most of human history, intestinal worms were ubiquitous companions. Only in the twentieth century did sanitation campaigns and deworming programs scrub them from the bodies of people in wealthy nations. But some researchers now suspect that in eliminating these parasites, we may have also dismantled part of our immune system's essential operating instructions.

1d ago

In the US, about eight out of 10 children from households with incomes below $50,000 a year have few to no swimming skills. That's according to the American Red Cross. About 64% of black children have few to no swimming skills. For Latino children, it's 45%. For white kids, it's about 40%. And you know, not to get all heavy, but these disparities around swimming line up with drowning deaths in the US, which are most likely to affect poor kids and kids of color.

1w ago

searching for answers to an alarming threat to humanity's existence as we know it: antibiotic resistance in bacteria

2mo ago

Underscored — save the words that stop you in your tracks.

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