Holi, the joyous Festival of Colors, is celebrated in India and globally to mark spring's beginning and the triumph of good ...

We’ve built a complex culture around caffeine. Not only do we have a variety of caffeinated products such as coffee, tea, ...

Try light therapy if you're fighting fatigue from the time change or struggling with seasonal depression. Here's how it works ...

Picture this: you wake up feeling refreshed, alert, and bursting with energy. The sun casts a warm glow over your room, and instead of scrambling for the snooze button, you start your day with purpose ...

Natural sunlight in the morning, which stimulates and regulates your body's circadian rhythm, is necessary for a healthy ...