Here are the basics on the chemicals in your body that make life feel like sunshine and rainbows: Start the day smarter. Get all the news you need in your inbox each morning. There are four main ...

It also influences systems like the limbic system (emotion regulation ... Light exposure signals the SCN to release chemicals like cortisol in the morning, promoting wakefulness and alertness ...

When “stress” feels like a daily emotion, we’re lucky if we get more than seven hours of subpar sleep, and toxic chemicals ...