There is a growing list of medications known to adversely affect thyroid function or interpretation of the results of standard thyroid laboratory testing. Many of these drugs are commonly used ...

Income inequality estimates based on traditional poverty measures do not capture the effects of health care spending and health insurance. To explore the distributional effects of the Affordable Care ...

Researchers have shown for the first time the molecular mechanisms at work that cause cannabidiol, or CBD, to block the psychiatric side-effects caused by tetrahydrocannabinol (THC), the main ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Identifying causal relationships from observational data is not easy. Still, ...