Autumna

During the exercise, the microelement was lost with the sweat. Experts pointed out that if you feel tired during the campaign period or after exercise, which is not only the fatigue caused by sport, but also a signal of lacking potassium in your body.

Scientists pointed out that a lot of sweat will be overflow during exercise, which makes body lose part of the water and salt. There are trace elements including potassium overflow with sweat. Potassium is an important element in the human body, which helps maintain the normal function of nerves and muscles, especially ensure the normal myocardium. Therefore, if people lack potassium, they may feel tired, weak, spiritual and physical strength will be decreased. The ability of heat-resisting is also reduced. If people lack potassium severely, it would lead to arrhythmia and weakness. Therefore, experts suggest it is very important to maintain a balanced diet and nutritional food. People who often have movement even pay more attention to supplement potassium after exercise. Potassium-rich foods include potatoes, bananas, oranges and mushrooms.

Walking in the countryside for a long time not only makes you healthier, but also makes you smarter because a friendly bacteria which can increase intelligence and promote learning was found in the soil by scientists.

The bacteria is present in the air and will be inhaled by people. According to animal experiments, researchers believe it seems to play the role of natural antidepressants. What’s more, they believe that it may have the role of promoting intelligence in outdoor activities. The bacteria is called mycobacterium, which is present in soil. The bacteria is firstly found in cattle feces in Australia and its name comes from the Latin of cow-vacca. It is related with the TB bacteria but it is considered harmless. Scientists believe it may have antidepressant effect because it can boost the 5-hydroxy tryptamine in brain. It is also expected to cure cancer, asthma and skin diseases.

Dr. Mathues said mycobacterium vaccae is a natural bacterium in soil. People would swallow or inhale the bacteria in the nature. The study showed that mycobacterium vaccae may play a role on anxiety in mammals and learning ability. It is very interesting that mycobacterium vaccae may reduce anxiety and improve the ability to learn new knowledge.

Professor Patrick O'Connor who was from Department of Education Kinesiology in University of Georgia College said despite the mice experiments showed that ginger had anti-inflammatory effect, but not all people know its curative effect on treatment of muscle soreness. It is believed that heat the ginger such as adding ginger to food when cooking can enhance its analgesic effect.

Professor O'Connor conducted two studies which lasted 11 days. People involved in the study include Assistant Professor Chris Black from University of Georgia, doctoral student Matt Herring from University of Georgia, associate professor David Hurley from University of Georgia College of Veterinary Medicine. In addition, there were 74 volunteers participated in the study. They continuously ate capsules contained ginger or heated ginger or placebo for 11 days. The results showed that a daily supplement of ginger may reduce muscle soreness while the heated ginger had more significant effect.

Professor O'Connor said muscular soreness was one of the most common pains and exercise-related muscle soreness was common injuries in sports or leisure. For people who had such experience, anything that can truly ease the pain is popular.

The researchers selected eight volunteers for the study. During the study, they showed them 100 photos just for one second for each photo. 15-30 minutes later, the researchers showed 100 photos again, 50 of which were old photos which have been shown before while others were new photographs. They asked the respondents to point which photographs they had saw and to say the extent of determine about their answers. At the same time, the researchers used EEG to record activities of neurons and the brain wave signal which was closely related with memory. The results showed that the cognitive ability was stronger when the neuron and brain waves worked with the same rate.

Previous studies have found that when people were in the relaxed state, the brain can receive more new information. The U.S. research precisely describes the principle which is neurons with the relaxed state can promote memory. Study reported that brain waves would appear when people were in a relaxed state, such brain waves were closely related to the learning ability and memory.

The researchers said the results may contribute to the development of new therapies to people who has learning disabilities and dementia patients.

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A research from the United States said sleep too little would make you difficult to control your emotions, causing abnormal behavior.

Researchers observed 26 volunteers. Half of them can’t sleep within 35 hours, another group enjoys normal sleep. Subsequently, the researchers gave participants 100 different images some of which make people calm or exciting. When the participants saw the picture, researchers used magnetic resonance imaging to record changes in their brains. The results show that people who didn’t sleep well had strong reaction to those pictures.

Matthew Walker, director of Berkeley Sleep and Neuroimaging Laboratory in University of California, pointed out that the function which control the emotions in brain was reduced under the situation of lacking sleep, then the brain can’t organize a clear sentiment and respond appropriately or the corresponding control. Walker added: "Sleep helps the brain's emotional control area recovery. By sleep, the brain has a good rest."

Researchers from Yale University School of Medicine center published their study on the new Journal of the Federation of American societies for experimental biology. They said the selected two groups of pregnant mice for the study, a group of them was contacted with bisphenol A and another was contacted with placebo. The results showed that the offspring born by the group which was contacted with bisphenol A is also extremely strong response to estrogen after their gown up.

One of the researcher explained that this was because the descendants of mice’s DNA have been modified during pregnancy, resulting in highly sensitive to estrogen after adult. New research also has reference to human which is that pregnant women should avoid bisphenol A during pregnancy, or they may cause permanent adverse effects on future generations.

Bisphenol A is widely used in plastic products. Some studies suggest that bisphenol A may play a role similar as the estrogen, make the body metabolism and trigger a number of diseases.

With the wide use of computers in the office, people have to attach importance to the office environment pollution and health effects on users from computers. Computer radiation can prevent the synthesis of an enzyme in the body, which will destroy the media material to transmit information among the brain cells. In addition to electromagnetic radiation which is inevitable, people who often used the computer would feel fatigue on eyes due to the frequently flashing computer screen, what’s more, people would feel other symptoms such as vision loss, dizzy and tears.

According to scientific investigation, people who has habit of drinking tea has less affected by radiation, low incidence of blood diseases and lower mortality. Tea contains a material which can shield radiation and has significant protective effects on the hematopoietic function of the human body. Besides, tea is rich in vitamin A, which makes people see things more clearly in the dark and prevent night blindness and dry eye. By the way, the scientists also analyzed that orange had antioxidant, which can enhance human immunity and inhibit tumor growth.

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As is known to all, coarse grains is good to our health, but eat coarse grains should be with the right way at the right times, otherwise it is hard to maintain health and prevent disease. On the contrary, it may cause many problems. New research from the UK shows that some food including whole oats, bran would seriously inhibit the body's absorption of Calcium because all these foods contain inositol phosphate. That’s means if you drink 250 ml milk for breakfast while eating whole grains, the calcium you absorbed is very small, only a small part of 250 ml of milk to drink alone.

Many people used to have a cup of milk in the morning or in the evening. The suggestion is that drinking a cup of milk in the morning and increase the intake of coarse grains at noon. If you eat coarse grains at night, you’d better have milk two hours later. This would take what we need to and achieve maximum nutrition.

According to a survey in which nearly 5 million people are participated from Canada, compared with people who do not eat chocolate, people who often eat chocolate has the lower probability of suffering from stroke or death, as for people who had stroked but love to eat chocolate very much, the rate of death is reduced by 46%.

44 489 respondents were investigated by researchers from the University of Toronto in Canada, the respondents who eat a piece of chocolate per week had lower risk of stroke than people who do not eat chocolate with the rate of 22%. In the second survey, 1169 stroked patients eat 50 grams of chocolate per week. It was found that their mortality rate was reduced by 46%. The researchers pointed out the reason why chocolate is able to prevent stroke, because it is rich in a kind of antioxidants called flavonoids. However, more research is needed to determine whether chocolate can really reduce the risk of stroke. The researchers advise that eating too much chocolate makes you fat, because chocolate contains saturated fatty acids.

Broccoli is called the super food in the vegetables because it contains the substance called sulforaphane, which can eradicate cancer stem cells to prevent further deterioration. Scientists from University of Michigan Comprehensive Cancer Treatment Center had achieved success in the test of mice and cultured cells. The leader of this research said researchers have been studying the effects on cancer by sulforaphane, but new research shows that the function of sulforaphane is to inhibit breast cancer stem cells growth. The new evidence showed that sulforaphane has the potential to prevent or treat cancer by locking cancer stem cells. The study was published in the latest issue of Clinical Cancer Research journal.

The researchers said that the current chemotherapy is not effective on cancer stem cells, which is the reason breast cancer always spreads and has a relapse. In their view, the key control tumor growth is to eliminate cancer stem cells. In the latest study, researchers injected different concentrations of sulforaphane to mice with breast cancer. Many studies have shown that broccoli contains a compound which can enhance capacity of DNA repair. Besides, there is also evidence to prove that these compounds make healthy arteries and repair the damage of heart blood vessels caused by diabetes. Moreover, broccoli is rich in vitamin C, fiber and vitamin K.