Opioids

Recent articles

Howard Fields.

In memoriam: Howard Fields, pain research pioneer

Over six decades, Fields mapped out the circuits of both pain and addiction.

By Natalia Mesa
22 May 2026 | 7 min read
Research image of enteric neurons in zebrafish.

Opioid receptors may guide formation of gut nervous system in zebrafish

Fish lacking functional copies of the receptors have fewer enteric neurons than usual, but the findings await further validation.

By Olivia Gieger
26 June 2024 | 4 min read

Explore more from The Transmitter

Hand holding a vial of microplastics.

Measuring plastic in the brain: Improving, but incomplete

Meanwhile, researchers are publishing papers without “sufficient quality control,” says analytical chemist Dušan Materić.

By Amber Dance
18 September 2026 | 9 min read
Calendar with deadline.

Incredible shrinking grant deadlines at the BRAIN Initiative

“A month is crazy,” says one former recipient, referring to a new funding opportunity’s timeline.

By Brendan Borrell
17 September 2026 | 4 min read

Sylvia Fogel, reshaping U.S. autism research strategy

In a wide-ranging and provocative interview, the chair of the federal Interagency Autism Coordinating Committee shares her views on vaccines, regression, neuroimmune conditions and more.

By Brady Huggett
17 September 2026 | 1 min read