解析 【答案】D【核心短语/词汇】vitamin D 维生素D【翻译】为了获得维生素D,根据文章我们每天应该在太阳下待多长时间?【解析】根据第一段第三行“To get enough vitamin D, you should stay in the sun for about 2 hours each day.”为了获得足够的维生素D,你每天应该在阳光下呆大约2个小时。故选D。
So make sure you check with your doctor that your levels are adequate. How to get vitamin D The best way to boost your vitamin D levels is through sunlight – make sure to use sun lotion with a SPF if you are planning to spend more time in the sun. You can also increase your ...
We get vitamin D whenultraviolet raysshine on the skin, prompting the body to create vitamin D3, which the liver and kidneys then turn into the usable vitamin D. Although people prefer to spend more time indoors to beat the heat during the summer, Ren says only about 10 to 30 minutes o...
The active forms of vitamin D—calcitriol, paricalcitol, and doxercalciferol—which also are known as vitamin D receptor activators (VDRAs), have been largely used in nephrology only as a treatment for secondary hyperparathyroidism, an elevation in parathyroid hormone (PTH) due to renal failure....
Vitamin C: What do we know and how much do we need? Sahyoun NR. NR Sahyoun - 《Nutrition》 被引量: 16发表: 1997年 Would prehistoric human 25-hydroxyvitamin D concentrations be beneficial, and how much vitamin D do we need to ensure desirable nutritional targets? Using an anthropological pe...
This review discusses the amount of vitamin D supplementation needed and a desirable 25-hydroxyvitamin D level to be achieved for optimal musculoskeletal health.Vitamin D modulates fracture risk in two ways: by decreasing falls and increasing bone density. Two most recent meta-analyses of double-blin...
With an abundance of cloud cover, colder weather keeping us indoors, and less sunlight during the day, our vitamin D levels could take a major plunge throughout the late winter months. Here’s what you can do to help maintain healthy levels since we’re
"One fifth of a block of raw tofu has 140 IU of vitamin D." Orange juice Frida reveals that one cup of fortified orange juice has more vitamin D than a cup of fortified milk. "But make sure to go for a freshly squeezed juice if you can, packaged ones can be full of additives and...
So, what exactly is vitamin D deficiency? Not only that, but what are the symptoms of vitamin D deficiency? And how can you get more of it? There's just so many questions! But not to worry—here's what to know. What is vitamin D? Some people already know that vitamin D helps...
They could make the same amount in three to six minutes in Miami no matter the month. Another factor is skin color. Again, people with naturally darker skin tones produce less vitamin D thanks to the melanin in their skin that scatters UV rays. (That said, it’s not totally clear ...