What's not as well known is how much time you need to spend in the sun to adequately meet your vitamin D needs, though we know the number will vary by geographic region, time of year and skin color. During the spring and summer months, there's plenty of daily sunlight to boost vitam...
The level of exposure to sunlight determines the rate of synthesis of vitamin D in the skin. This depends on such environmental factors as geographic latitude, season, time of day, cloud coverage as well as personal characteristics, such as skin pigmentation, age, clothing, typical amount ...
sunlightcancerdiabetesboneMost humans depend on sun exposure to satisfy their requirements for vitamin D. Solar ultraviolet B photons are absorbed by 7-dehydrocholesterol in the skin, leading to its transformation to previtamin D, which is rapidly converted to vitamin D. Season, latitude, time of...
Just 10 to 15 minutes of sunlight without sunscreen a couple of times a week usually gives you enough vitamin D. But it’s also important to protect your skin, since too much time under the sun’s rays can cause skin cancer. When you’re out in the sun for more than a few minutes...
12. ___ strong sunlight for a long time in summer will cause serious burns, which wsw you suffer. A. Exposed to B. Exposing to C. Expose yourself to D. Being exposedt 相关知识点: 试题来源: 解析 A【答案】A【核心短语/词汇】expose to 暴露于;cause 导致;suffer 遭受【翻译】夏天长时间...
Understanding Vitamin D Sometimes called “the sunshine vitamin”, vitamin D is often associated with time spent in the sun. When your skin is exposed to direct sunlight, it triggers the production of vitamin D in your body. You can also get vitamin D from certain foods as well as suppleme...
For those who do not have time to get enough sunlight, there are healthy foods that are rich in this essential vitamin. 1. Salmon is a fish that can be considered a great source of vitamin D. If that’s not enough, this fish is also rich in essential omega-3 fatty acids. These com...
Vitamin D gets produced when animals are exposed to direct sunlight for_reason it is always advisable to give them chances to spend time in the sun. A. whose B. that C. which D. its
Vitamin D3 supports healthy bones and glowing skin, boosts immunity, and promotes heart health. Learn more about the benefits of vitamin D3.
Figure 1. Vitamin D Metabolism. The body acquires vitamin D from certain foods and through a reaction that occurs when the skin is exposed to sunlight in which UV-B radiation converts 7-dehydrocholersterol (synthesized in the skin) to pre-vitamin D3, which then becomes inactive vitamin D....