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Does perfume harm the skin? And what is the truth behind the circulating warnings?

Study links peace of mind to more positive dreams
duration: 10:08
Study: Peace of mind may even change your dream world

Study: What will happen to your body if you hug a tree?
duration: 09:58
Why do we feel relaxed when we're in nature? Studies provide answers.

Study: Russian scientists: Human lifespan cannot exceed 194 years
duration: 08:28
Study: Russian scientists: Human lifespan cannot exceed 194 years

The hormone oxytocin rises during gossip... but why?
duration: 10:34
Study reveals hormonal response to gossip

Is talking too much a sign of confidence... or an attempt to prove oneself? Psychology answers.
duration: 09:36
Is talking too much a sign of confidence... or an attempt to prove oneself? Psychology answers.

Doctors warn: Eye color change may threaten eyesight
duration: 09:30
Eye experts: Don't let cosmetic enhancements come at the expense of your eyesight.

"She almost died of happiness"... when excessive happiness becomes a rare medical condition
duration: 09:07
Can happiness harm you? The story of the "happy heart" that baffled doctors.

Study: Expert: The brain is the fattiest organ in the body, up to 60%.
duration: 07:59
Study: Expert: The brain is the fattiest organ in the body, up to 60%.

Digital dementia: Are smartphones weakening our memory?
duration: 09:14
Digital dementia: Between scientific fact and growing fears