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Xie C, Ping P, Ma Y, Wu Z, Chen X
In 1921, researchers isolated insulin, a peptide hormone that revolutionized diabetes treatment
The blood-testis barrier separates sperm-generating germ cells from the immune system, protecting them from potentially damaging immune reactions
Bishop JB, Phillips LG, Mustoe TA, et al
Acne can lead to itchy and dry skin
Enzymes break down the bonds of dead cells, allowing them to shed naturally
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