We should decide how long it will take to get good results according to our own experience, and we don't need to be naked in the sun to synthesize vitamin D at all, just wear short-sleeved shirts and shorts.
In addition, we should pay special attention to the fact that excessive exposure can easily turn human moles into melanoma or skin cancer. When in the sun, we must wear sunscreen clothes to cover the parts with moles.
Precautions for sunbathing:
It is best not to wear black clothes in the sun; Pay attention to take off your hat and gloves, expose your skin as much as possible, and let the sun get in close contact with your skin. Sunbathing through the glass window is not effective, and it is best to be outdoors or on a spacious balcony.
People who have actinic skin diseases or are allergic to light should not bask in the sun. In particular, it should be noted that excessive exposure can easily turn human moles into melanoma or skin cancer. When you are in the sun, you must wear a sunscreen to cover the mole.
Refer to the above? Health News Network-bask in the sun and nourish Yang Qi.