We often don’t have the answers to certain questions, but there are some everyday mysteries of life even scientists cannot explain…

Yawn

The act of yawning is puzzling experts for two reasons. The first is because it looks like that serves absolutely no purpose. Think about it, when you feel that you will yawn you will always try to prevent it. Another thing that puzzles scientists is contagious nature of yawning. You must have noticed by now – as soon as you began to yawn, almost everyone around you will start yawning.

The earliest research represented the thesis that the low levels of oxygen in the blood can be a trigger for yawning, and then the main claim was that yawning can reduce the intake of oxygen, which makes sense, because when you do a very hard exercise you will start to yawn uncontrollably. And we’ve seen athletes to yawn during sprint.

There is even a theory that yawning is a way in which your body controls the temperature of the brain. But why yawning is so contagious and why we yawn in the first place – scientists have not yet answered this questions.

Placebo effect

Obviously, the placebo works – a young man complains of nausea, a doctor gives him a sugar pill and tells him that he is cured. He stops to care for stomach problems and this soothes the stomach.

It is unclear whether the placebo effect are at all realistic, given the belief that most recoveries associated with this effect can be explained by physical nature of healing abilities.

Some scientists have tried to explain the placebo as a hypnotic effect, by which we unconsciously ignore and suppress the symptoms, and thereby accelerate the process of recovery.

But none of these hypothesis explain the strange fact that this phenomenon is becoming more and more prevalent in recent years.

Dreams

The old Freudian theory teaches us that dreams are an expression of our unconscious desires, but Freud’s theories does not correspond to modern learning. Other theories suggest that dreaming is the way our brain formulate new ideas using a random thought mutation.

The strangest thing is the growing body of evidence that show how much influence on our dreams comes from outside, and not inside our heads. Sounds and smells can also affect the content of our dreams.

Blushing

One explanation why we blush lies in the way of appeasement and submission of the dominant members of society. This haven’t got much sense when you consider that we all blush, whether we are or are not dominant, and the whole process happens quite unintentionally.

Another explanation of blushing tells us that blushing can be expression of anger, not embarrassment. These scientists argues that we are all a little daffodils and that when somebody publicly embarrass us we blush because we are angry.

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is a health advocate, journalist and theologian. He is an outspoken internet activist who has contributed to many magazines and web sites. After years spent in digital marketing and online journalism he became one of the founders and editors at HealthyFitNatural.com. Combining knowledge and research with facts of modern science, Alexander continues to writes about alternative medicine and health benefits of nature. Unlike most writers he strongly believes that there's no magic pill that will lead you to long term health and beauty and that without effort, there can be no gain.

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