Belief in an all-knowing God can lead to cooperation and support.

Researchers outline the reasons why a smile is contagious.

There is a reason why we sometimes give friends and loved ones cheap gifts.

Imagining positive outcomes may not be useful in the long run.

Mindfulness meditation reduces inflammation and stress.

Is shopping via the internet a better option for the environment?

Can you lose weight just by exercise alone?

Zinc supplements raise zinc levels and boost immunity.

Facebook is not such a limitless supply of friends after all.

Life transitions can provide opportunities for positive changes.

A green view out a classroom window improves student performance.

Teens who text after lights out do worse at school.