Healthy sun bath
Sun over his head, to fully promote the absorption of calcium. Many people in the sun, often like wearing a hat, in fact, is not so strong spring sunshine, wearing thick clothes and wear a hat, sun simply can not play a role. In the spring, 10:00 to 11:00 the sun is best. Because this period is low sun’s ultraviolet rays, can make people feel warm and soft. In addition, people of different ages, different tolerance to sunlight, the sun also different lengths, each 1-2 hours in young people, the elderly every 20-30 minutes. To the sun across the glass, so that would not achieve its proper role, but also to do proper sun protection measures, such as using sunscreen, sunglasses and so on.