Some habits are good for you - like putting on the seatbelt when you get into a car. But others are unpleasant or unhealthy - like nail-biting. Why are they so hard to stop?
When those magic red sale signs lure you into a store, your brain forgets everything else. Need it? Not really. Want it? Yes. Shopping can be like a drug. Neuroscientist Christian Elger explains why.
Even though a lot of the world is headed toward cashless payment, the central banks in the 19-nation eurozone keep minting small denomination coins by the ton. What's behind this old habit?
Out of nowhere, a random odor can send you hurtling back to a childhood memory, and you won't know why. Smell is one of our most powerful senses, and it's powerfully under-researched.
Stress influences us in many ways. It disturbs our sleep, affects our mood and can make us sick. But more seriously it also seems to damage our brain, according to a new study.
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