Cultural transition to agriculture linked with emergence of human-adapted pathogens

Using Salmonella enterica genomes recovered from human skeletons as old as 6,500 years, an international team of researchers illustrates the evolution of a human pathogen and provides the first ancient DNA evidence in support of the hypothesis that the cultural transition from foraging to farming facilitated the emergence of human-adapted pathogens that persist until today.
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Weight gain associated with accelerated lung function decline in adulthood

Lung function declines naturally over the course of the human lifespan. However, this decline is steeper in individuals who experience moderate or high weight gain. This was the conclusion of a new study led by the Barcelona Institute for Global Health (ISGlobal), which analyzed the effect of weight changes on respiratory health over a 20-year period.
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