Vitamin D contains antioxidant properties. This then allows it to help prevent skin damage and premature aging of the skin, thus reducing the appearance of fine lines and wrinkles. Healthy Pregnancy Pregnant w
The keratinocytes of the skin are unique in being not only the primary source of vitamin D for the body, but also possessing the enzymatic machinery to metabolize vitamin D to active metabolites [in particular, 1,25 dihydroxyvitamin D (1,25(OH) 2 D)] and the vitamin D receptor (VDR) ...
Vitamin D3 (cholecalciferol or calciol) is the fat-soluble steroid hormone form of Vitamin D. The “sunshine vitamin” is considered essential. Your skin
Of particular interest are the latest discoveries about the role of vitamin D in skin diseases such as lupus erythematosus, ichthyosis, atopic dermatitis, hidradenitis suppurativa, acne, alopecia areata, androgenetic alopecia, melanoma, and nonmelanoma skin cancer. Also of interest is the importance of...
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答案:1.C;2.D;3.B;4.D; 解析: (1) 词义猜测题。根据前文的Vitamin D helps bones and muscles grow strong and healthy.Osteoporosis is a common problem as people get older.可知维他命D有助于骨头和肌肉的强壮,而osteoporosis是一种随着人变老而普遍产生的疾病,故可推知答案。 (2) 细节理解题...
Some people are more likely than others to have trouble getting enough vitamin D. Here are the factors that may determine your risk: Age.The skin’s ability to make vitamin when exposed to sunlight declines as you age. This is one reason why higher vitamin D amounts are recommended for ad...
Vitamin D is also essential for maintaining a healthy immune system. The function of the immune system is to prevent or limit infection.Your body makes vitamin D when your skin is exposed to sunlight. You can also get vitamin D from certain foods. Most of the vitamin D in your body ...
Vitamin D is a fat-soluble nutrient that plays an important role in many aspects of our health. Your skin produces vitamin D with sun exposure, which is why this nutrient is nicknamed the "sunshine vitamin." But many of us don't produce enough on our own. ...
Vitamin D2 and D3 are two important forms of vitamin D. D2 comes from plants and D3 comes from mainly animal sources or it is made by our bodies when our skin is exposed to sunlight. D3 is better absorbed and more potent than D2. Fortified milk or juice is more likely to contain...