Unlike most vitamins, D can be manufactured by your body, provided you're exposed to sunlight. But sunscreen—a must for preventing wrinkles and, of course, cancer—reduces your skin's ability to make D by 90 to 99 percent, depending on the level of SPF thoroughness of application. And even if you don't use sun protection (bad girl!), it's tough to catch the right rays. The sunlight you're most likely to get on a daily basis—in the early morning and late afternoon—is too weak to generate enough D. Not to mention that air pollution can filter out some of the UVB rays, so less of them are able to reach your skin at any time of day.
Natural Health News Heres an interesting bit of advice if you are looking to lose weight or stay trim expose yourself to some morning light.
A new has shown for the first time that people who get most of their daily exposure to even moderately bright light in the morning have a significantly lower body mass index (BMI, a ratio calculated from a persons weight and height) than those who had most of their light exposure later in the day.
The small study included 54 people (26 males, 28 females), an average age of 30. They wore a wrist monitor that measured their light exposure and sleep parameters for seven days in normal-living conditions. Their caloric intake was determined from seven days of food logs.
Results showed that the influence of morning light exposure accounted for about 20% of a persons BMI. This influence on body weight was independent of …
Despite all the health benefits, heading to the supplement store and picking out a vitamin D supplement blindly isn’t enough. You have to choose wisely.
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