Paul Ellis, who is the first author of this paper and from Davis Health Care Policy and Research Center in University of California, said our study demonstrated that there was connection between obesity and the level of income, people have been doing hypothesis at this aspect before but has not been confirmed. Now it is certain that there is a strong connection between obesity and lower income.

Health scientists have identified several possible causes of obesity was caused by low wages. First of all, poor people often lived in areas where the environment is not good, therefore there was public parks and fitness equipment to exercise for them. Secondly, foods with healthy low calorie were generally expensive, the poor couldn’t afford them. For example, the California Obesity Prevention Program noted that many low-income families hardly buy healthy food. Ellis said we believe that increase the level wage for the Low group is an effective way to tackle the problem of obesity. By this way, people's purchasing power is increased and they would choose a healthier lifestyle.

U.S. scientists report that drinking pure fruit juice can give children and young people the key nutrients needed by the growth and development, therefore, it helps promote the health of children and adolescents. The study was published in the latest edition of the experimental Biology magazine.

Researchers from Louisiana State University Agricultural Center and Baylor College of Medicine found that compared with peers who don’t have such drink, 2 years to 5 years old child who drink 100% pure vegetable juice can absorb vitamin C, potassium, magnesium. In addition, the intake of extra sugar will be also significantly reduced. At the same time, this law also applies to the 6-year-old to 12-year-olds children. What’s more, drinking 100% pure fruit juice also allows these young people to better absorb the cellulose. The researchers also found that adolescents who do not drink juice aged from 2-year-old to 18-year-old, the intake of vitamin A, C and folate did not meet national standards.

U.S. researchers recently found that the ability to act of old man with high levels of vitamin D is better than other elderly people. The study was carried out by Professor Houston and his colleagues from the Wake Forest University, They had a four year old tracked survey on 2788 old men from Memphis and the Pittsburgh, the average age of respondents was 75 years old.

Researchers analyzed the vitamin D content of respondents through 25-Hydroxy Vitamin D in their bodies. At the same time, they assess the respondents’ physical mobility by measuring short walking time and the time to accomplish stand up straight from the chair 5 times. Study found that although the operational capacity of the respondents has been reduced in the research of 4-year period. Early in the study, old man with high levels of vitamin D is better than other elderly people.

Houston said this may be people with strong ability to exercise often do outdoors movement and lying under the sun helps the body produce vitamin D.

A new study in United Kingdom says if the pregnant women lack of vitamins and other micronutrients, the new birth would face risk of lower weight. The study also showed that supplement the micronutrient for pregnant women is also good for their bodies. Researchers from British Institute of Brain Chemistry and Human Nutrition Research Institutions had published the study on British Journal of Nutrition, according to a survey on the poorer parts in east London, 72% of the pregnant women lack of the micronutrient. Besides, they lack of iron, folic acid and other micronutrients needed by the body.

The researchers asked about local 400 pregnant women for this trial, they were divided into two groups, one group taken composite micronutrients tablets including vitamin D, iron, folic acid and other micronutrients while the other group didn’t do nothing. The results showed that the average weight of babies born by the pregnant women in the second group was lighter than the babies born by the test group. But the proportion of weight infants is higher. In addition, on health indicators related to these micronutrients, the pregnant women in the experimental group are better than the second group.

Bluff, one of the researchers, said low weight infants may lead to breathing difficulties and other diseases. What’s worse, the risk of suffering from heart disease is higher in adulthood.

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