The day's health news, read out plainly.

Sleep | One year on

A Year After the Melatonin Heart Study, a Regulator Has Acted and the Question Is Still Open

A study of more than 130,000 adults linked long term melatonin use to heart failure. Since then, Saudi Arabia has issued a safety signal and a second study found no link. Here is where the evidence stands.

By Maya Collins · November 2, 2026

Latest

Health | Regulation

Canada Now Requires a Prescription for Melatonin for Children's Sleep

By James Harlow · October 31, 2026

Science | Lab test

Most Melatonin Gummies Tested Did Not Contain What Their Labels Said

By Maya Collins · October 30, 2026

About The Daily Readout

The Daily Readout reports health news from published research, health agencies and public records, and reads it out plainly: what was found, who found it, and what it does and does not show. Every story links to its sources, and we correct mistakes openly.