Americans

If Americans keep gaining weight at the current rate, fat will be the norm by 2015, with 75 per cent of US adults overweight and 41 percent obese, researchers have predicted.
A team at Johns Hopkins University in Baltimore examined 20 studies published in journals and looked at national surveys of weight and behavior for their analysis, published in the journal Epidemiologic Reviews.
"Obesity is a public health crisis. If the rate of obesity and overweight continues at this pace, by 2015, 75 per cent of adults and nearly 24 per cent of US children and adolescents will be overweight or obese," Dr. Youfa Wang, who led the study, said in a statement.
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A new study has predicted that by 2015 75 per cent of Americans could be obese - making fat the normal state of the US

They defined adult overweight and obesity using a standard medical definition called body mass index. People with a BMI of 25 or above are considered overweight, while those with BMIs of 30 or above are obese and at serious risk of heart disease, diabetes and some cancers.
Studies show that 66 per cent of US adults were overweight or obese in 2003 and 2004. An alarming 80 per cent of black women aged 40 or over are overweight and 50 per cent are obese.
Sixteen per cent of US children and adolescents are overweight and 34 per cent are at risk of becoming overweight, according to federal government figures. Every group is steadily getting heavier, Wang said.
"Our analysis showed patterns of obesity or overweight for various groups of Americans," said May Beydoun, who worked on the study.
"Obesity is likely to continue to increase, and if nothing is done, it will soon become the leading preventable cause of death in the United States."

Mathematical model to fight hepatitis C

According to a medical definition, hepatitis C is a blood-borne, infectious, viral disease that is caused by a hepatotropic virus called Hepatitis C virus (HCV).

The virus infection can lead to liver inflammation and liver cancer. There is only one well know treatment for Hepatitis C, called interferon. This medication is used to treat the virus. Some patients respond to the treatment, while others don't.

Researchers from the Institute of Evolution of the University of Haifa, and Indiana University discovered a mathematical method that identified 37 genes that would fight thehepatitis C virus and the genes are key for patient response to treatment.

However, the mathematical model is not limited to identifying the genes which fight viruses that attack the liver. It can also be applied further in the fields of medicine, biology and agriculture.

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