Relying on satellites, computers, African hunters and even the humble chicken, researchers are building disease warning systems to catch viruses on the verge of sparking epidemics.
>The dangers facing teens today are daunting. Empowering adolescents to avoid such risks will require more than scare tactics and “Just Say No!” campaigns.
>One in five human beings is a follower of Islam. Globe-spanning and fast-growing, the religion has natural but sometimes complicated ties to public health.
>What happens to long-lasting chemicals used in household products when their useful lifespan is over?
>As ozone levels increase, so does adult mortality
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