- Study suggests long-term melatonin use may impact heart health NewsNation
- Long-term use of melatonin supplements to support sleep may have negative health effects www.heart.org
- What taking melatonin could reveal about your heart health NBC News
- New study links melatonin and heart failure, but experts say don’t panic yet The Washington Post
- Long-term use of this popular sleep supplement linked to 90% higher risk of heart failure New York Post
