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1. If you exercise in a park or countryside your memory is improved and it reduces the feeling of depression. It also increases your creativity and concetration. Which scientists think it's great for you.
2. We need vitamin D which is from sun. Researchers and scientists say that you should be around 15 minutes in the sun, of course without the sunscreen.
3. I think I should more often go outside for a walk, for example to countryside to improve my memory.
