Fruit and vegetables reduce study of risk of death,

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Tuesday, 1 April 2014 HealthDay News)-filled a diet with fresh produce is good for your health, and now a eat plenty of fruits according to large-scale study, and vegetables can significantly cut the risk of death.

Researchers analyzed the dietary habits of more than 65,000 people in England from 2001 to 2013. They found that those seven or more servings of fresh fruits and vegetables were eaten, one day a 42 percent lower risk of death at any age than those who ate less than one serving per day.

The risk of death was 36 percent with five to seven servings, 29 percent with three to five servings and 14 percent with one to three servings, reduced according to the findings in the Journal of epidemiology and community health.

But the study does not prove that eating lots of fruits and vegetables that can cut the risk of death. It found only an association between fresh produce consumption and lower risk of death.

The researchers that their research results put near explained, that eating seven or more servings of fruits and vegetables decreased the risk of death from heart disease 31 per cent and the risk of death due to cancer by 25 per cent.

Overall seemed vegetables have a greater health benefits than fruit. Each daily supply of fresh vegetables by 16 percent, compared to 13 percent per serving salad and 4 percent per portion of fresh fruit, death overall risk is reduced, the researchers said.

"We all know that eating fruit and vegetables is healthy, but the size of the effect is stunning,", said study author Oyinlola Oyebode, in the Department of epidemiology and public health of at University College London, in a press release of the University.

"Vegetables have a greater influence than fruit, but fruit is still a real difference. If you like carrots or other vegetables snack, then this is a good choice, but if you lust on slightly sweet, a banana or any fruit will do you well, "added Oyebode.

The study found no significant health benefits from fruit juice. And risk of death appeared to increase 17 percent per serving, canned or frozen fruits, the researchers said.

"The most canned fruit contains high glucose levels and cheaper varieties are packed in syrup instead of fruit juice," said Oyebode. "The adverse health effects of sugar can outweigh all benefits."

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Fly well rested: therapeutic agent reduces age-related sleep disorders in fruit flies

Older flies sleep not frozen - they wake up often during the night and restless around. The same goes for people. Researcher at the Max Planck Institute for the biology of ageing in Cologne is the insomnia, which experienced therefore model for a human sleeping behavior of the fruit fly Drosophila . The scientists have now discovered molecules into the fly cells, affecting, as the animals aged sleep: when insulin/IGF signaling is active, reduces the quality of the animals sleep and you wake up more frequently. Use a therapeutic agent, I managed to scientists, who fly back to improve sleep. The scientists suggest that the causes of sleep disorders, by older people and fly experienced are similar. It is also possible that sleep problems, by people not inevitable side effect of aging must and can even reversible.

Flying and people sleep much the same way. Like flies in the night sleep and are active during the day. And the quality deteriorates or pull the two age of types of: individuals NAP during the day and sleep for shorter periods at night more often.

Gerontologists are very familiar with the insulin/IGF (insulin-like growth factor) signal transmission. It actually is a metabolic pathway that controls the cell in response to malnutrition and also affects life expectancy. Fruit flies life therefore longer if the pathway is less active. The pathway also plays a role in aging humans.

Researchers at the Cologne Max Planck Institute have now discovered that fruit flies sleep better at night and during the day are more active, if insulin/IGF signaling inhibited. "Daytime night-time activity and draw are therefore controlled by two different components: during the day, the neurotransmitter Octopamine and the Adipokinetic hormone AKH increase activity in fly." In the night on the other side of the neurotransmitters dopamine and reduce kinase gate of the time periods, "explains Luke tain from the Max Planck Institute for the biology of ageing.

Rapamycin is a substance that inhibits the gate activity, inhibition of the molecule. "We fly older rapamycin administered and observed that they slept again for a long time. Thus, we were the deterioration of the quality of sleep as a result of aging, to undo ", says tain.

The cells of these various organisms as roundworms, fly and people use the insulin/IGF signaling. Its components and functions are similar in different kinds of creatures. Now, researchers want to study whether the signal molecules in higher animals such as mice, have the same effect. In this way, they hope to discover treatments that improve sleep quality in old age.

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