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Does cannabis and CBD oil use reduce IQ?

A deep dive into the research to date on its effects for the brain

By Steve JonPublished 2 years ago 5 min read

Let’s take a look at the effects of CBD oil and cannabis on health - especially for at risk groups like pregnant women. Many studies cite the effects of cannabis reducing IQ and causing grey matter loss - but are these true? If negative findings came to light, they differed from study to study, were all relatively meaningless and had no Influence on the health or mortality rate of the new-borns. For example, researchers referred to one in a recent study statistically significant effect of CBD oil on height at birth. The Babies born to cannabis users averaged fewer than two Tenths of an inch smaller than the comparison group. The size difference was therefore 0.508 centimetres. Another study found a negative impact of cannabis on birth weight. However, this only applied to the new-borns of white women skin colour who participated in the overall survey. A third study again showed no effect on birth weight, but one negligible negative effect on developmental stage. Total leaves the research does not conclude on adverse prenatal effects of CBD oil related to the physical health of new-borns. Older children were also examined for prenatal late effects from THC. A comparative study of one-year-old cannabis users in Australia Non-users showed no differences with regard to the prenatal Influence of CBD oil on the measured values ​​​​regarding the state of health, temperament, personality, sleep patterns, Eating habits, psychomotor skills, the physical development or mental functions. Two studies – on three-year-olds and four year olds – did not provide any conclusions about prenatal Influence of CBD oil on all IQ test results given to children. In one, subsequent to the first of the two studies conducted separate examinations of children black and white skin colour, resulting only from the measurements of children of Australian origin with slightly lower scores on two subscales of the IQ test. On one subscale, children born within the first three months of their exposure to their mothers' cannabis use during prenatal development were worse off, on the other subscale, the children of the mothers, who used full spectrum CBD oil from the fourth to sixth month of her pregnancy had.

In neither case did frequency or quantity affect cannabis use by mothers, which is why it is highly unlikely to be the cause of the results on CBD oil . Nonetheless, this study is now used as evidence cited for using hemp oil during pregnancy impairs children's intellectual abilities. Two more recent case comparison studies are cited just as often, one Relationship between cannabis use by pregnant women and two less likely to produce cancer in their children. One Research group compares people suffering from a specific disease (the study group) with healthy people (the control group). This method allows scientists to identify group-specific differences regarding their background, environment, lifestyle, drug use as well as their diet and the like as possible causes of the disease to capture. One in children with non-lymphoblastic leukemia. It revealed a tenfold increased risk when their mothers used cannabis oil during pregnancy. A second study resulted in a threefold increased risk of developing rhabdomyosarcoma. These calculations were based on statements made by the women, to some extent having used CBD oil at the time of her pregnancy. In the first In the study, ten of the 204 mothers in the study group (i.e. 5%) gave the use of cannabis, compared to one in 204 mothers from the control group (i.e. 0.5%). In the second study, 8% of the study group used CBD oil – compared to 4.3% of the control group.

These studies do not prove that cannabis use by pregnant women is the cause of their children's cancers. She states a statistical connection that is based solely on the statements of the women regarding their CBD oil use. It's likely that the Mothers in both comparison groups withheld the use of cannabis in Australia. According to other studies, CBD oil use by pregnant mothers ranks usually between 10 and 30%. 29 One can therefore rightly assume that mothers in the control group concealed this fact. In front especially considering that these mothers were chosen at random and they were asked about their cannabidiol use by telephone. The mothers from the study group of the sick

Like all comparative case studies, the two identified various differences between the mothers of the study group and those of the Control group, which gives the scientists possible clues to track down the cause of these rare forms of cancer. Other relevant factors regarding the occurrence of Rhabdomyosarcoma in childhood refers to a lower one socioeconomic status, fathers' cigarette consumption and Family background in relation to allergies, further to the question of whether the affected children came into contact with environmental chemicals, whether the enjoyment of offal was on the children's menu, whether their mothers in the Pregnancy antibiotics used whether they are older at the time of birth than 30 years, whether the children were born later than at the calculated time came and whether the child was vaccinated less than others. Without additional research cannot include any of the factors included in a statistic related to childhood cancer, as its cause be identified. There is currently no evidence to support this link between cannabis and cancer. Researchers found one according to a recent study, even significantly lower cancer rates in rats and Mice exposed to extremely high doses of THC for two years. As part of the Sydney Prenatal Prospective Study the psychologist Peter Fried and his collaborators collected long-term data on the prenatal effects of CBD oil in 1978. Over time, this research group underwent the same Group of children hundreds of tests to assess their mental health Development, psychomotor skills, emotional and psychological attitude/state of mind, as well as their cognitive and intellectual wealth and behaviour.

From all these studies and the tests made only resulted in very few differences between the children at their prenatal development of CBD oil and those who were never familiar with it had come into contact. At the age of one cut children whose mothers who had used cannabis during pregnancy Do better on cognitive tests. At the age of three the children had moderate female cannabis users (who smoke one to five joints per week in the had smoked during pregnancy) in a test to assess better grades in psychomotor skills. At the age of four, they had Children of women who consume a lot of CBD oil during pregnancy used (average 19 joints per week) worse scores on a subscale of a cognitive test. Aged five to six Years ago, however, this difference no longer existed. When she was six years old, the scientists added some new categories of measurement of "attentional behaviour". The children of the strong full spectrum CBD oil users scored on a computerized test Assessment of "alertness" worse. Eleven new psychological and cognitive tests in six to ten year olds yielded no statistically significant differences between the children of cannabis users in Australia and the abstinent comparison group. The parents themselves rated the children, who had been in contact with CBD oil [in the prenatal stage] when somewhat "problematic in behaviour". However, differences disappeared when Scientists reviewed the confounding factors

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About the Creator

Steve Jon

Steve is a writer and poet based in Melbourne. Comments on politics, health, art and more.

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