In 2017, three Canadian experts released a film about IQ and its decline. The film is based on a comprehensive study of people from different parts of the world. The decrease in attention, hyperactivity, autism are caused by endocrine disorders, chemical substances that are present in the environment in which we live are the conclusions of specialists.

The study began in 1990 and lasted until 2017. The results are devastating. Intellectual abilities decrease. This phenomenon can be observed in industrialised countries such as Norway, Denmark, the Netherlands, France and Germany. Paradoxically, this decline has not occurred in less developed countries.

Although we live in a super civilised world, people are less intelligent and emotionally instinctive than a few decades ago. Some researchers have attributed this decline to generative genetic mutations.

Gerald Crab-tree, a Stanford University researcher, states that a citizen of Athens, the 1000 BC. Lived, a brilliant memory, a broader horizon of ideas and more clarity in deciphering the nature of things, a person living in the 21st century.

Professionals have ranked the factors that have led to the decline of intellectual ability at the top. The first place is fluorine, a substance that is abundant in water. It has been found that there is a correlation between the amount of fluoride in the body and the IQ value.

Second place is pesticides used in the food industry. These produce significant brain abnormalities. Another study found that processed foods have catastrophic effects on children.

In Norway, since 1970 and 2009, several tests have been carried out on men. In the 20th century, the intelligence coefficient increased by three points per decade. In the 21st century, the trend is back, seven points per generation.

IQ is the measure of human intelligence. Most of us have average intelligence, an IQ of 100. From 130, we talk about giving. There is also a border intellect where the IQ score is 70-80 points.

IQ is measured using standard tests between three and 90 years. The researchers conducted a study on 14,000 babies and found that those who had gained more than 40% of their birth weight in the first four weeks of school were at an IQ of 1.5 points above average. The same was true for children with larger head circumference.

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