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Autism is a complex developmental disorder in children. Symptoms that appear are the disturbances in the areas of development: development of two-way interaction, the development of reciprocal interaction, and behavior development.

Until now, the certainty of autism has not been solved. In fact, the development of children with autism is now increasingly worried. In the United States, comparison of children with autism with normal 1:150, while in England 1:100. Indonesia does not have accurate data on it.

The scientists say autism due to a combination of various factors, including genetic factors triggered by environmental factors. Here are the factors that allegedly trigger autism is still mysterious.

1. Genetic
There is strong evidence of the changes in the gene contribute to the occurrence of autism. According to the National Institutes of Health, a family who has one child with autism has a 10-20 times greater chance to give birth to children with autism as well.

Research on twins found that if one child with autism, twin most likely have the same disorder. In general, the experts identified 20 genes that cause autism spectrum disorders. The gene plays an important role in brain development, brain growth, and how brain cells communicate.

2. Pesticide
High pesticide exposure is also associated with the occurrence of autism. Some research found that pesticides will disrupt the function of genes in the central nervous system. According to Dr. Alice Mao, professor of psychiatry, the chemicals in pesticides impact on those who have talent autism.

3. Drugs
Babies who are exposed to certain drugs while in the womb have a greater risk of autism. These drugs include valproic and thalidomide. Thalidomide is a drug older generation used to overcome the symptoms of nausea and vomiting during pregnancy, anxiety, and insomnia.

Drug thalidomide itself has been banned in America because of the many reports of babies born with disabilities. However, these drugs are prescribed to address skin disorders and cancer therapy. Meanwhile, valproic acid is a drug used for patients with mood disorders and bipolar disorder.

4. Age parent
The older age of parents when a child, the higher the risk the child suffering from autism. The study, published in 2010 found that women aged 40 years had a 50 percent risk of having a child with autism compared with women aged 20-29 years.

"It is not known with certainty the relationship age of parents with autism. However, this is presumably because the occurrence of gene mutation factor," said Alycia Halladay, Director of Environmental Studies Research Autism Speaks.

5. Brain development
Certain areas in the brain, including cortex and cerebellum serebal responsible for the concentration, movement and mood regulation, related to autism. The imbalance of neurotransmitters, like dopamine and serotonin, the brain also associated with autism.

READ MORE - The cause of autism in children

Recent studies began to uncover the mystery of why autism is four times more often experienced by boys than girls. Research shows that hormones testosterone and estrogen have opposite effects on gene called RORA. In nerve cells, testosterone would reduce the ability of cells to turn on gene expression or RORA. Conversely, estrogen will increase the ability of the cell.

"Autism is highly influenced by gender. The study found high levels of testosterone in the fetus at high risk of causing a child with autism," said lead researcher Valerie Hu, an expert in biochemistry and molecular biology from George Washington University.

Normally, RORA tasks in the cell is turn on other genes. When cells have high testosterone levels, RORA levels will decrease, so that should affect every gene is turned on by RORA. This knowledge obtained from research on nerve cells grown in the laboratory.

The study did not indicate that a low level of RORA will cause autism in addition to the link between these conditions.

Several studies have shown deficiencies RORA can explain various aspects of that seen in children with autism. For example, the gene is supposed to protect nerve cells from the effects of stress and inflammation. Stress and inflammation commonly encountered in the brains of children with autism.

Research also shows that autistic child's brain tissue containing RORA less than healthy children. RORA is also believed to help the body's circadian rhythms. That is why children with autism often have sleep disorders.

In contrast to testosterone, estrogen will increase the level of RORA in the cell. "This means the female fetus will be protected from autism," said Hu.

Indeed RORA not a single gene involved in the occurrence of autism, but according to Hu RORA very important role.

READ MORE - Why autism tends to occur in men?

A study broke the rumor that had been widespread about the high risk of brain cancer from mobile phone signals. Studies conducted by scientists of University of Manchester found that the radio frequencies issued cell phone or mobile phone does not increase the risk of cancer significantly.

The researchers used the public data available in the UK national statistical offices to see the high trend of brain cancer diagnosed in Britain in the period 1998 to 2007.

The study was published in the journal Biolectromagnetics say that there are no statistics that show a significant increase of cancer in both men and women in nine-year period.

"Mobile users in the UK and other countries increased sharply since the 1990s era where mobile phones were first introduced," said head researcher Dr. Frank de Vocht, who also serves as an expert on labor and environmental health at the University of Manchester.

"However, there is controversy that said radio frequency of the phone increases the risk of brain cancer. Our findings indicate that the causal relationship between mobile phones and cancer is unlikely, because there was no evidence of increased brain cancer patients are significantly since the phone was introduced up to now," he said.

Dr. de Vocht said that there is no plausible biological mechanism to explain the radio waves can damage our genes directly, thus causing the cells become cancerous. Supposedly, if the rumors are true, then there will be growth of brain cancer significantly during the year 1998-2007 compared to previous years.

The team which also includes researchers from the Institute of Occupational Medicine of Edinburgh (Scotland) and Drexel University of Philadelphia (USA) found that an increase in small cancers of the temporal lobe 0.6 cases per 100 thousand people, or 31 cases per year increase in population 52 million.

READ MORE - No association with brain cancer cell phone | Hadphone no brain damage

Citrus fruit is a fruit that is very popular in all parts of the world. To get it did not need to wait for the season, because citrus fruits are always there in every season. Not only would make a great healthy snacks, fruit that taste sweet and sour is also often used as the main recipe ingredient in various dishes. Even now, orange juice is often used as part of an unforgettable main menu at breakfast.

Orange is available in two categories, sweet and bitter. Usually, orange with smooth skin texture and a bit heavy to have a higher water content than the orange with the skin texture like a sponge and has a lighter weight.

Find out the efficacy of these other citrus, as quoted from page Times of India:

Sources of vitamin C
One orange has a supply of 116.2 percent of the daily value for vitamin C. Vitamin C is beneficial to reduce the risk of colon cancer because it can help expel free radicals that cause damage to DNA.

Vitamin C, also important as the immune system, both to ward off the flu and preventing recurrent ear infections.

Antioxidants for healthy skin
Antioxidants in orange helps protect skin from free radical damage that can cause signs of aging. One orange a day can help you maintain the youthfulness of skin is growing despite the age of 50 years.

Rich in Vitamin B6
These vitamins help support the production of hemoglobin and also helps maintain blood pressure remains normal because of the magnesium. According to a study by researchers at the U.S. and Canada, the compound found in citrus fruit peels called Polymethoxylated flavonoids (PMFs) also has the potential to lower cholesterol more effectively and without side effects other than some prescription drugs.

Orange fiber to prevent diabetes
Fiber in oranges helps keep blood sugar levels remain stable. For this reason, citrus healthy snack made safe for diabetics. Natural fruit sugar in oranges, fructose, can help keep blood sugar levels remain normal.

Rich in beta-cryptoxanthin
Consuming foods rich in beta-cryptoxanthin, a carotenoid in fruits and vegetables, orange-red color found in many citrus, corn and squash can reduce the risk of lung cancer.

READ MORE - Oranges For health

Spices useful to add flavor cuisine. Not only that, the herb is also very good for maintaining health. In addition to preventing disease, the spice also has benefits for the healing of disease. Spices have been used for centuries, because it can also bring the benefit of safe healing. Here are some herbs are quite effective for health, was quoted by the Times Of India.

Chili powder
This one herb can relieve joint pain. According to the research contained capsaicin in chillies have anti-inflammatory effects, which can help reduce swelling and pain of rheumatism.

Cinnamon
This herb can prevent the risk of type 2 diabetes and heart disease. According to health studies half a teaspoon of cinnamon beneficial lowering blood glucose, cholesterol, and triglycerides.

Garlic
Improve your heart health. Regular consumption of garlic was also able to lower cholesterol and triglyceride levels an average of 10 percent.

Cloves
Clove oil is a popular treatment for toothache. Antiseptic properties contained in it is also suitable for mouthwash. These spices also help to expedite the digestive tract.

Ginger
Ginger contains antioxidants and can help protect you from disease. Ginger can reduce flatulence. If you have nausea, pain during pregnancy, or motion sickness, ginger boiled water can you make a natural remedy.

READ MORE - Benefits of Spices for health