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The Ultimate Trade-off: Genes, Environment, and Why We Crave Twinkies

Last week in the Spittoon we reported on a new study that identified an interesting genetic trade-off — a genetic variant known that has one effect on a person's vulnerability to malaria, and the opposite on susceptibility to HIV infection. The "Duffy negative" version of the gene, which is common among ...

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Why Ancestry Makes a Difference

Those of you who have delved into our Gene Journal (now called Health and Traits) feature may have noticed that many of the traits only give genetic data “assuming European ethnicity”. Why is that? It certainly isn’t because people with African or Asian ancestry aren’t susceptible to heart attacks or ...

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