If you were a child, it would help you not to be affected by this dangerous disease.

Scientists believe that humans can take viruses from their dogs, which strengthen their immune system and bacteria in their intestines, and by playing with them they can reduce stress.

Both factors are thought to play a role in the development of schizophrenia, but there is no clear cause.

However, the study in which 1,300 adults participated found that the rich as children can offer benefits and can have the opposite effect.

Professor Robert Yolken of the Hopkins Children's Centre in Baltimore said that serious psychiatric disorders are related to the immune system that has been exposed to the environment in early life.

While domestic animals are often among the first things children have close contact with, it is logical for us to explore the possibilities of connection between those two”, he said.

A total of 1,371 men and women aged between 18 and 65 were involved in the study.

396 had schizophrenicia, 381 had bipolar disorders, and 594 had never been diagnosed with psychiatric disorders.

All participants have been asked whether they had kept dogs or cats during their first 12-year period.

Skizophrenia is a chronic mental disorder that reflects a person's thinking, feelings, and behavior.

People with this disease are lost in interaction with reality.

The cause of the disease is unclear and is believed to be a mixture of genetics, abnormality of chemicals in the brain, the possibility of viral infections and immune disorders.

The symptoms of schizophrenicia usually begin between the ages of 16 and 30. In rare cases, children also have schizophrenics.

These symptoms enter among three categories: positive, negative, and cognitive.

Positive symptoms include hallucinations, illusions, thinking disorders. Those negative ones include the skills that have been lost by the person's personality and include the flat effect (reducing expression through face or tone of voice), reducing the sense of satisfaction in everyday life, difficulties in starting and developing activities.

Symptoms of cognitive recognition are changes in their memory or other aspects of thinking and include: problems in focus and attention, problems with memory work, low capacity to understand information and use it in order to make decisions.

Dogs can carry the bacteria to their owner, who can in theory increase ovum in children.

Skizophrenia has proved to be related to the intestines, although scientists still have to find evidence.