What happens when you remove fluoride from tap water?

Twelve years ago, Juneau, AK, stopped adding fluoride to community water sources. A newly published study looks at how this has affected its inhabitants.

Adolescent weight gain on popular injectable contraceptive may depend on micronutrient intake

Since its introduction nearly 23 years ago, the popular injectable contraceptive depot medroxyprogesterone acetate (DMPA) has been associated with causing substantial weight gain in some adolescent girls. Without being able to identify or predict which girls will gain weight on the drug, physicians typically counsel all teens receiving DMPA to simply eat less

Superbug study reveals how E. coli strain acquired deadly powers

A strain of E.