What causes autism

Posted by LUTFE ELAHI on

Autism is a neurodevelopmental disorder characterized by deficits in social interaction and communication skills, along with restricted interests and repetitive behaviors. Autism affects 1 out of 68 children in the United States, making it one of the most prevalent developmental disorders. There is no known cause of autism, although genetics play a role. In fact, identical twins have a higher chance of developing autism than fraternal twins. Other factors that may increase the risk of autism include environmental toxins, infections, and nutritional deficiencies.

1. Environmental Toxins
Environmental toxins are chemicals that enter the body through food, air, water, and household products. These toxins can affect the brain and nervous system, causing damage and disrupting normal functioning. Many people believe that autism is caused by vaccines, but there is no scientific evidence to support this claim. However, some studies suggest that mercury exposure may contribute to the development of autism. Mercury is a heavy metal that is toxic to humans and animals. Exposure to mercury occurs primarily through eating fish, shellfish, and other seafood contaminated with methylmercury. Methylmercury is a type of mercury that accumulates in the fatty tissues of fish and can then pass into the human body through the bloodstream.
2. Genetics
Genetics plays a huge role in Autism. There are many genes that have been identified that are associated with Autism. These genes are passed down from parents to children. If both parents carry these genes then there is a 50% chance that their child will inherit them. If only one parent carries the gene then there is a 25% chance that their child inherits it. However, if neither parent carries the gene then the risk decreases to 1%.
3. Infections
Infectious agents can trigger the onset of autism. Viruses, bacteria, fungi, parasites, and prions (a protein associated with mad cow disease) can all cause neurological problems. One study suggests that viruses may be linked to the development of autism since they tend to infect the central nervous system. Another study found that children who were born prematurely had a higher rate of autism compared to children born at full term. Premature birth is often due to infection, which could explain the link between premature birth and autism.
4. Stress
Stress can also contribute to the development of ASD. Children with autism often experience high levels of stress due to sensory issues, communication problems, and behavioral challenges.
5. Nutrition Deficiencies
Nutrition deficiencies are among the leading causes of mental retardation and cognitive impairment. Children with autism are likely to suffer from nutritional deficiencies, including iron, zinc, vitamin B12, folate, riboflavin, niacin, thiamine, and choline. Iron deficiency is particularly common in children with autism, especially those who do not eat well. Vitamin B12 and folic acid deficiencies are also commonly seen in autistic children. Riboflavin, nicotinamide, and pantothenic acid deficiencies are less common but still occur frequently. Choline deficiency is rare but has been reported in children with autism.
6. Maternal infections
Maternal infections can also contribute to the risk of developing autism. Mothers who develop certain infections during pregnancy can pass these infections on to their unborn babies.
7. Brain injury
Brain injuries can also contribute to the onset of autism. Traumatic brain injuries can occur from car accidents, sports injuries, falls, and other events.
8. Diet
Some foods may trigger an allergic reaction in people with autism. Foods like gluten, dairy, soy, eggs, nuts, and peanuts are known to cause problems for some people with autism. A diet high in sugar and processed food may also contribute to symptoms.
9. Vaccinations
Vaccines are given to babies to protect them from certain illnesses. However, some vaccines have been linked to autism. In fact, the MMR vaccine (measles, mumps, rubella) was once thought to increase the risk of developing autism. Studies later showed that this was not true. Today, the CDC recommends that children receive two doses of the MMR vaccine before age 1 year and three doses between ages 4-6 years old.
10. Sleep
Sleep deprivation is a major problem for people with autism. Lack of sleep can cause irritability, mood swings, and poor concentration.
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