What do we really know about the safety of probiotics?

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Messing with our gut microbiome could hurt us

Saliva is just what we needed to create a new malaria vaccine

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The mistake mosquitos made? Leaving their spit behind

New research in sea slugs sparks controversy about the way that memories are stored

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Can slugs teach us about human memory?

Pulling all-nighters may damage your brain

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New research suggests bad sleep causes a build-up of plaque associated with Alzheimer's

How to peacefully coexist with potentially dangerous species

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Biodiversity keeps rabid vampire bats feeding on their natural prey – not on us

The secret to sounder sleep may be lurking in our guts

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New research shows that stressed med students on probiotics got better shut-eye