It's a fact: when feelings of happiness are due to biochemical messenger substances in the brain. These include the hormone dopamine. It's released by our brain and nerve cells when we experience something pleasant.
Many of us make New Year's resolutions to get into better shape, maybe by joining a gym or starting running. All too often, we don't last the distance, and a mouse study might yield clues as to why.
Even if it is difficult to admit it, the human being is in a way still just an animal. An animal with needs and impulses – controlled by hormones, nerve reflexes and instincts.
Think being gay is unnatural? Then look no further than the animal kingdom, where homosexuality is very common. Studies suggest that around 1,500 animal species practice same-sex coupling, from fish to birds and mammals.
Baking cookies, drinking mulled wine, or listening to Christmas music - all these things enhance our anticipation of Christmas. But why does Christmas keep bringing a smile to most of our faces?
© 2017 Deutsche Welle |
Legal notice |
| Mobile version