So there really is an active ingredient, but again, they haven’t been evaluated for their efficacy or safety.” But not all ...

For example, the results of a study reported on page 291 of this issue of Nature Structural Biology shed light on a particular enzyme involved in prostaglandin metabolism. Information such as this ...

COX-2 is involved in prostaglandin synthesis and expressed throughout the nervous system, where it participates in pain sensitivity and in synaptic plasticity. Microsomal prostaglandin E synthase ...