Sunlight
In addition to providing benefits of vitamin D, direct sunlight can help reduce the risk of cancer, including melanoma or skin cancer, stable blood pressure, help body healing after surgery, to improve mood for the better. However, on the contrary if received in excess, ultravioletnya radiation can actually damage the body's cells.
There are three types of UV radiation (ultraviolet) emitted by the sun, but only UV A and UV B affect the human body. Although it helps in forming vitamin D synthesis for the body, excessive exposure to UV radiation causes burns and even skin cancer.
In order to avoid the negative risks of UV rays of the sun, you should pay attention to the type and pigmentation of the skin, and choose the right time. For example, whiter skin is advised not to linger in the sun to avoid burning skin. Conversely, those who have dark skin can be a little longer in the sun.
In addition, spending too much time in the sun can cause dehydration and even heat stroke, the body condition is too hot causing severe dehydration causing fainting.
Choosing the right time to get the sun
Of the various benefits, there is some debate about when the right time to get sunlight is beneficial to the body. It turns out the best sunlight starts from sunrise until 10 am and noon from 3 pm until sunset. In addition, you also need to pay attention to the duration of being in the sun. To get the maximum benefits of sunlight for the body, it is recommended to spend about 20 to 30 minutes in the morning and afternoon.
Then what about the afternoon sun? No need to worry if you can not avoid the afternoon sun. You can still get the benefits provided that not too long. In the span of five to ten minutes, you can still benefit from the afternoon sun.
In addition to choosing time, the clothes you wear is also an important factor in getting maximum sunlight for the body. Thick clothing not only makes you feel hotter under the sun, but also prevents the entry of sunlight into the skin. Choosing clothing with a thin cotton and bright can help the skin absorb sunlight and keep you from heat stroke.