vitamin DVitamin D is essential to bone health; severe and prolonged deficiency can lead to rickets in children and osteomalacia in adults. As the main source of vitamin D is exposure of the skin to ultraviolet rays, it has long been assumed that living in a sunny country ensures adequate ...
我们需要一个形容词来描述“sunlight”,并且这个形容词要与“直接的”意思相符。在中文中,“直接的”对应到英文中通常使用“direct”这个形容词。因此,正确的填空应该是“direct”。完整的句子为:Getting vitamin D from direct sunlight is far from enough.这句话的意思是:“从直接的阳光中获取维生素D是远远不够...
美 英 un.维生素D 网络阳光维生素;阳光维他命;太阳维生素 英汉 网络释义 un. 1. 维生素D
Vitamin D is the sun vitamin. We get it in milk and eggs and from sunlight on our skin (皮). There are other Vitamins, but these A, B, C and D, are the most important.【小题1】There are many kinds of vitamins, the most important of which are ___. A.Vitamin A B.Vitamin...
■ Rise each day with the assurance that you are nurturing your body with the optimal balance of sunlight, all while minimizing risk and maximizing benefit. For more details on our terms and privacy, please visit: https://vitamind.co/terms ...
One of the known protectors of skin cells from pre-cancerous changes is vitamin D. For most Americans the only source of vitamin D is sunlight. We have a national disaster in progress due to a misunderstanding of the nature of and need for UV-B and vitamin D. ...
Vitamin D: new horizons for the 21st century. Am J Clin Nutr 60: 619-630. Google Scholar Moan J, Dahlback A, Henriksen T, Magnus K (1989) Biological amplification factor for sunlight-induced nonmelanoma skin cancer at high latitudes. Cancer Res 49: 5207-5212. Google Scholar Dahlback ...
The Vitamin D Debate: Translating Controlled Experiments into Reality for Human Sun Exposure Times Exposure to sunlight, specifically the ultraviolet radiation, has both positive and negative health effects. Maximizing the benefits (vitamin D synthesis) ... AR Webb,R Kift,JL Berry,... - 《Photoche...
Sunlight and Vitamin D Vitamin D is the sunshine vitamin that has been produced on this earth for more than 500 million years. During exposure to sunlight 7-dehydrocholesterol in... MF Holick - 《Journal of General Internal Medicine》 被引量: 309发表: 2013年 Reactivation of tuberculosis and ...
25-hydroxy vitamin D levels in healthy premenopausal women: Association with bone turnover markers and bone mineral density The most close determinants of vitamin D deficiency were BMI and sunlight exposure. Vitamin D insufficiency is associated with low spine BMD and increased ... S Adami,F Berto...