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Brain scans may help determine who is more susceptible to cognitive impairment

Today, almost 20% of people over 65 suffer from cognitive impairment. These figures may increase, given the current aging of mankind. But early detection of these disorders will help in the early stages to begin treatment, which will be more effective, you can even prevent Alzheimer's disease and other cognitive disorders that threaten the elderly. A team of researchers of the University of California concluded that the brain scan allows you to monitor and predict cognitive impairment. Research participants were 43 volunteers, average age 64 years old, at the beginning of the study, they found no

Study of schizophrenia through the nose, is it possible?

Study of schizophrenia through the nose, is it possible?

Scientists believe that small samples of tissue taken through the nose, can help in the study of brain changes in patients with schizophrenia. Significant barrier to the study of the process of mental disorders is that it is very difficult to get living brain tissue. Recent advances in cellular neuroscience suggest that for studying the mechanisms of psychiatric diseases, it is necessary to produce neural stem cells. But where does one obtain these cells, if not from the brain? Nowadays, most of studies of schizophrenia, turning to the nose. As strange as it may seem, but this idea has its meaning, because the body chu ...

Depression during pregnancy reduces the child iq

Depression during pregnancy reduces the child iq

Maternal depression has significant negative consequences for children. Several studies have shown that maternal depression can affect cognitive development in the offspring. But how depression affects the cognitive abilities of the child is not yet known. Perhaps there are certain sensitive periods of early childhood development, which makes it more susceptible to maternal depression. On the one hand, we can assume that the most important period in a child's life is the period of fetal life, since it is related hormones that can affect the early development of the fetus and cause a child stress, depression. But on the other ...

As parental education affects children's mental health

As parental education affects children's mental health

new study "sheds light" on the cycle of low socio-economic status and depression. Perhaps there is that depression in adulthood, may be related to parents' education? According to a recent study conducted under the direction of Kusnel Amelie Valee, it is actually so. Based on data from 29 year longitudinal survey of youth in 1979, studied the relationship between the level of parental education, and level of education, income, and depressive states of their children. Scientists have discovered that if the parents had a high level of education, then their grown children were fewer problems with mentally ...

Relapse in ex-smokers is associated with lower levels of dopamine

Relapse in ex-smokers is associated with lower levels of dopamine

Scientists from Baylor College of Medicine have conducted research that helped explain why it so difficult to quit smoking. Smoking increases dopamine release, and when a person is trying to quit smoking, it has been falling. Variations in the amount allocated dopamine can trigger a relapse in smokers who try to quit smoking. The authors suggest medications that would increase the level of dopamine in the moment of quitting, that may be the key to a healthy lifestyle and help prevent relapse. Dopamine is a chemical that sends signals to the brain that are responsible for promoting and stimulating ...

Depression often leads to difficulties in communicating with their peers in adolescence

Depression often leads to difficulties in communicating with their peers in adolescence

Children who have difficult relationships with their peers, may have large psychological dysfunction, such as depression. But whether depression leads to problems in the relationship of young people, or relationship difficulties provoke depression? The new study, which was conducted among adolescents showed that depression can occur due to problems in relationships with peers. The study involved about 480 youths, 4-6 classes. Spring before the academic year, were interviewed and medical examination of children, their classmates, parents and teachers, in order to identify their symptoms of depression. IC

Antidepressants reduce libido!

hard to feel sexy when you do not feel completely happy. If it is associated with clinical depression, your doctor may recommend to start taking antidepressants. But it is very important to know what they can have side effects. In fact, antidepressants assigned to the group of selective serotonin reuptake inhibitors. And experience shows that most of them can become a cause of decreased libido. Dr. Chad Collom explained why this is so: Medications SSRIs stimulate certain serotonin receptors, which leads to a decrease in dopamine and norepinephrine in certain brain regions, including ..

Studies have shown - sex change operations became more

According to information published in Pediartics, a small but growing number of teenagers and even younger children to believe that they were born "wrong." And now they are getting more and more support from parents and doctors that allow them to perform sex reassignment surgery. This question raised sharp ethical issues, and experts urge caution in the use of blockers and hormones at puberty. "Pediatricians need to understand that these children exist and deserve" treatment, "said Dr. Norman Spak. "Switching genedernyh roles, and sometimes, and desire to be of the opposite sex to occur in children and ...

Dehydration affects mood and thinking

Dehydration affects mood and thinking

Many people know that dehydration can impair the physical health of the person, but few people know that it can also affect the mental state. The study showed that even mild dehydration can affect mood, ability to think clearly, and energy level. The study involved a group of young women and men. Of these, 25 women aged 23 years and 26 men aged 20 years. All participants were healthy and active, was not among them professional athletes. Participants underwent three tests for 28 days. They were engaged on a treadmill to cause dehydration. After hours

Judges during the matches under stress, which is not linked to their physical condition

Judges during the matches under stress, which is not linked to their physical condition

All judges

match days under heavy stress. But according to recent studies, their stress levels are not related to their physical condition, and associated with the nervous system. The study was conducted among the 16 judges (11 men and 5 women). As explained by the judge - "Thanks to the representatives of the Association Cup, we were able to collect all the necessary data. These data were collected more than a week, tests were performed for the judges on the day of the match, within 24 hours, and the next day after it. Were also carried out investigations of the physical conditions that could affect the stress on match days. " To investigate the judges wore cardiotachometer so that you can

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