We all know that proximity to nature is more beneficial.
Recently, for example, researchers from East Anglia University (University of Eastern Anglia), after collecting 140 studies involving 290 million people, have come to this conclusion:
Exposure to green space lowers the risk of developing type two diabetes, cardiovascular disease, premature death, premature birth, and stress, making us healthier.
And the health benefits, and certainly do not need to spend a weekend in the suburbs to pick strawberries, play farm music, just spend some time in the community park or street green sun can be. But why?
What is the Why?
Here are a few hypotheses that explain the benefits of proximity to nature: (Why is the ' hypothesis '?) because the researchers are not clear about it.
Maybe just wait for you to find out.
1. Promotion campaign
Public green spaces promote health by providing opportunities for us to exercise. The benefits of exercise should not be emphasized (even a slight sweating can reduce mortality).
But if you only provide the opportunity to exercise, the indoor can also do exercise, why should specially crowded outdoors to exercise?
Because the outdoors in the natural environment is more ' attractive ' than indoor sports.
The study found that sports in the natural environment, compared with indoor sports, brought more vigor and active participation, reduced tension, depression, confusion, anger and other negative emotions, and enjoyed outdoor sports more easily.
(So, I can't blame Santian two days in ' going to the gym ' ...)
2. Interacting with people
Public green spaces increase our interaction with others and make us feel healthier. After all, we are gregarious animals, one day do not talk with others, always bored (so ' close small black House ' will be a punishment).
The public green space provides the opportunity for us and others to Balabala. A study from the Netherlands found that the reduction of green space in people's living environment and the increase of loneliness, the lack of social support coincide;
And the residents with more green space around the residence, the situation is better. Furthermore, even the otaku who stay at home every day can benefit from the increased green space. Because the green space surrounding the residence not only provides the opportunity for the residents to exchange, but also strengthens the neighbors ' ties and strengthens the community consciousness.
Especially for children, the elderly and those with lower economic status, benefit more from increased material support and emotional support.
3. Bask in the sun Everything grows on the sun, and of course it includes us.
Taking part in outdoor activities, exposed to sunlight, not only supplements calcium but also helps reduce seasonal affective disorder (SAD), a syndrome characterized by periodic depression at the same time of year. Too little Sun, will lead to the brain secretion of melatonin increased (yes! is the melatonin used to sleep), let people easily sleepy, weak;
It also inhibits the generation of ' happy neurotransmitters ' serotonin in the brain, making people more susceptible to depression.
As a result, many high latitudes, long nights, especially in winter, and short periods of sunshine, are particularly depressed, as in Iceland. One interesting finding is that exposure to green space can significantly reduce the amount of cortisol in people's saliva-a physiological sign of stress.
And people who live closer to nature, diastolic blood pressure, heart rate, pressure will be lower.
So, the next time you feel blue, you might as well go out to bask in the sun!
4. Health hypothesis and old friends mechanism As a result of our unremitting efforts, we live more and more ' clean ', with fewer bacteria and microbes exposed to the surroundings. But our food allergy and autoimmune disease incidence, but more and more high.
Yes, too clean an environment may be harmful to us, this is the famous ' health hypothesis '.
In the long run of evolution, we may have been accustomed to symbiosis with some of the less toxic microbes, leaving the old friends alone to unbalance our immune systems, to be overly sensitive to external stimuli, or to attack our own organs.
Green space increases our exposure to a range of microorganisms, including bacteria, protozoa, and worms, which are abundant in nature and may be important in regulating the development of the immune system and the regulation of inflammation. Of course, this is not to say the dirtier the environment the better.
It's about getting in touch with the microbes that promote the normal development of the immune system to get close to nature.
5. Other potential mechanisms Also including green areas where the air is good, less pollution.
The influence of environmental pollution on human body do you want to talk about it? According to WHO, environmental (outdoor) air pollution in urban and rural areas in 2016 led to the premature death of about 4.2 million people worldwide-the equivalent of the entire Croatian population ...
