We already know that mood affects the way we judge and perceive things -- and it's generally considered to be negative. Studies have found that bad or sad moods can affect our judgement and reasoning, ...

Years ago, I visited an elderly relative living in a hotel that had been converted to a sort of independent living facility (but without the amenities found in contemporary facilities). The place was ...

Ever been up in the mountains, at the beach, or in a thunderstorm and suddenly felt a huge change in your mood? That’s not just a feeling of awe. It might be negative ions. Negative ions are molecules ...

Could people’s mood impact how strongly their immune system responds to the influenza (flu) vaccine? It's a provocative idea, to be sure, but a new study, published online this month in Health ...

Hormones like testosterone, cortisol, melatonin, and more directly influence men’s mood, energy, and sleep quality. Hormonal imbalances can cause depression, anxiety, irritability, fatigue, and sleep ...

If you are having thoughts of suicide, or someone you know is in immediate danger, you should call 911 (or your country's local emergency line) or go to an emergency room. Explain that it is a ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. What comes to mind when you think about winter? Snowflakes? Mittens?