Brown University

A 2025 Brown University laboratory study found that, compared with a placebo cannabis, smoking higher-potency THC cannabis was associated with 27% lower alcohol consumption and smoking lower-potency THC cannabis was associated with about 19% lower alcohol consumption during a two-hour ad libitum drinking session.

A 2025 Brown University laboratory study reported that participants who smoked THC-containing cannabis delayed initiation of alcohol drinking during a two-hour ad libitum alcohol session compared with participants who received placebo cannabis.

A 2025 Brown University laboratory study led by Jane Metrik found that participants who smoked higher‑potency THC cannabis drank 27% less alcohol and participants who smoked lower‑potency THC cannabis drank about 19% less alcohol during a subsequent two‑hour ad‑libitum drinking session compared with a placebo cannabis condition.

Philippe Aghion (Collège de France and London School of Economics) and Peter Howitt (Brown University) developed the economic theory of sustained growth through 'creative destruction', which explains long-term economic growth as driven by continuous innovation that replaces older firms, products, and technologies.

A 2025 study by the Costs of War project at Brown University's Watson School of International and Public Affairs found that the United States provided at least $21.7 billion in military assistance to Israel between 2023-10-07 and 2025-10-07.