RFK Jr. says antidepressants could cause school shootings and are 'harder to get off' of than heroin. Experts say he's 'way ...

Scientists uncover the mechanism by which gut bacteria convert molecules in bile into sex hormones. Tailored nucleic acid extraction and amplification methods help scientists overcome the challenges ...

1974; Roy and Loh 1996). All these effects are mediated by the interactions of opioids with members of the opioid receptor family. Opioid binding sites were first discovered in mammalian brain ...

Although scientists can learn a lot from cell culture and animal models, they cannot truly substitute for all parts of the ...