I have lived out in the country for my whole life, and I spend a lot of time in the sun. Starting in the spring, I stay outside for increasingly longer amounts of time, slowly building up my skin's tolerance to the sun. I get plenty of vitamin D along the way. ...
In recent years, the growing interest in the role played by vitamin D in skin disease has given rise to the publication of many studies of the relationship between this vitamin and certain skin conditions. As dermatologists, we need to understand, among other aspects, how vitamin D is ...
If you have adeficiencyin vitamin d, then you will not be experiencing the vitamin d benefits for your skin and body. There are certainsigns or health conditionsthat individuals need to be aware of that may indicate that the body is lacking enough vitamin d to function properly. These indica...
aVitamin D is produced naturally by the skin in response to sunlight and may help to slow the ageing process and protect against heart disease. 维生素D是自然地由皮肤生产的以回应阳光,并且也许帮助减慢变老的过程和保护免受心脏病。[translate]...
(including, yep, vitamin C-rich orange juice) aids your body in fighting off free radicals, topical antioxidants do the same for your skin by neutralizing the production of highly reactive molecules called free radicals, which can be trigged by everyday aggressors like UV damage and air ...
单词或括号内单词的正确形式Do you know about vitamin (维生素) D? It's封面(61)imporfant type of vitamin tohumans. For example, it can help our bones and点性贴近teeth stay(62)(health)心灵With the help of Jight from the sun, our skin is发人able to make vitamin D. When our skin (63...
Throughout evolution, vertebrates including humans have depended on the sunshine vitamin D for their calcified skeletons. As our hunter gatherer forefathers ventured from the equator, their skin tone became much lighter in order to permit an adequate amount of ultraviolet B radiation to enter the ski...
Melanin effectively competes with provitamin D3 for the UV radiation that enters the epidermis and limits its photolysis to previtamin D3. However, this is not the major factor that prevents excess production of vitamin D in the skin of people who are constantly exposed to sunlight. During the...
8. for 9. suffering 10. especially 概述:本文是篇科普类说明文。维生素D对人类很重要,它能帮助我们的骨头和牙齿保持健康,晒太阳可以帮助人们获得维生素D。1、你知道维生素D吗?它对人类来说是一种重要的维生素。type,类型,可数名词单数,结合句意加上不定冠词表示泛指,important是定语,开头音素是元音,故用an。...
Sunlight, UV-Radiation, Vitamin D and Skin Cancer: How Much Sunlight Do We Need? Vitamin D is the sunshine vitamin for good reason. During exposure to sunlight, the ultraviolet B photons enter the skin and photolyze 7-dehydrocholesterol... MF Holick - 《Advances in Experimental Medicine & ...