Add Yahoo as a preferred source to see more of our stories on Google. Where will the next pandemic come from? One expert says his "bet is on viruses." (Getty Images/Science Photo Libra) (Getty ...

Researchers discovered that clearing out certain digestive bacteria with antibiotics helps calm the immune system. This temporary microbial shift protected mice from severe brain swelling and cellular ...

Nearly four years after COVID-19 emerged, public health experts already say it’s not a matter of if we’ll have another pandemic — but when. So Yahoo Life asked several experts for their take on where ...