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In a case that originated in the city of Riverside, California’s highest court has come down on the side of cities and counties in the fight over the location, or even the existence, of medical marijuana dispensaries.

That word "microbiome" — describing the collection of bacteria that live in and on our bodies — keeps popping up. This time, researchers say that children whose parents clean their pacifiers by sucking them might be less likely to develop allergic conditions because of how their parents' saliva changes their microbiomes.

The ubiquitous blue-toned TV ads for Viagra look downright tame compared with Pfizer's latest gambit for the impotence remedy.

Pfizer is now selling the drug directly from the official Viagra website.

For some years now, teachers and parents have noted something about boys and girls. Starting in elementary school, young girls often score better on reading and math tests than young boys do.

The differences are uneven on different tests and do not describe the experience of every child, but empirical studies do document a difference.