It’s easy to jump to conclusions when you read a headline that suggests the buzzy sleep supplement melatonin is linked with heart failure. While recent research presented at the American Heart ...

Methamphetamine use disorder (MUD) was associated with significantly lower levels of serum melatonin and disrupted circadian patterns compared with not having MUD, a new study showed. Melatonin levels ...

Some studies point to melatonin use as beneficial to heart health, while others say the opposite. Here’s how to make sense of the complex research. Melatonin may be one of America’s most trusted sleep ...

Adults with insomnia who took this sleep supplement regularly for at least a year had almost double the risk of heart failure, a new study found. A recent study linked long-term use of melatonin ...