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?
Long-haul travel is as common as cola. We're flying ever greater distances more often and non-stop, like 19 hours from Singapore to New York. But the psychological and biological effects are under-researched.
Are you constantly second guessing yourself or do you find it difficult to recall answers to simple trivia questions? DW asks Dean Burnett, a neuroscientist and author, is Google the culprit.
You're on deadline but you've got nothing done. You get up, look in the fridge, water the plants. It's procrastination at its best. Hate it? Well, it might not be all bad, says psychologist Jana Kühnel.
Ever since the mobile phone entered our lives in the new millenium, anxieties about its ill effects have abounded. But what do we actually know about the health risks of mobile phones?
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