Seasonal Affective Disorder Image

The Lack of Sun – Seasonal Affective Disorder (SAD)

In the Northern and Southern Hemispheres, there’s a lack of bright light in winter. This can cause a condition known as seasonal affective disorder, or SAD. The symptoms of seasonal affective disorder are similar to those of many types of depression.

SAD can bring feelings of misery, hopelessness, and despair. Fatigue and lethargy can make every activity an effort. Even taking care of families and homes may require too much effort to bother with.

SAD can also show physical symptoms such as joint pain or digestive problems. As well as a craving for carbohydrates, overeating, and weight gain. The overeating and weight gain can lead to even more of a poor self-image than before. It becomes a vicious cycle. First, feeling bad and having a lack of energy. Then, trying to eat more to gain energy. And finally, feeling bad because of the weight gain.

Seasonal Affective Disorder ImageDealing with SAD

For the person suffering from SAD, even large amounts of sleep may not be restful. People often report that they are sleeping much more than usual during the fall and winter. But, they still seem to have no energy.

SAD is treated by phototherapy. In this treatment, the patient’s eyes get exposed to light about 10 times brighter than ordinary domestic lighting.

But, some experts believe exposure to artificial light actually BLOCKS the benefits of certain vitamins and minerals to your eyes. When full-spectrum light enters the eyes, it stimulates the brain and facilitates the absorption of specific nutrients.

Vitamin D for Seasonal Affective Disorder

Vitamin D has long been touted as the “sunshine vitamin.” This vitally important nutrient helps the body absorb calcium. Together, vitamin D and calcium maintain strong bones, nails, and teeth. It also supports your central nervous system. As you likely know, you can get ample vitamin D from the sun’s rays.

So, Mom was right after all – fresh air and sunshine ARE good for you. And, unless you’re one of the 10 million Americans suffering from SAD, it’s all you need. Even people suffering from SAD may be able to benefit from the sunshine. Sunlight has been shown to improve depression in several studies.

Just about everyone knows about the link between sunshine and Vitamin D. Although you may have been pushed out the door for being a pest around the house, mom was doing your health a favor. Lately, due to an increase in skin cancer, there has been an increase in public health warnings about going out in the sun without protection. However, doctors suggest at least 10 to 30 minutes of sunshine a day is needed for your body to produce vitamin D.

I don’t know about you, but there are times while working in front of my computer that I just HAVE to get outside. I need to get some sunshine and fresh air, even when it’s cloudy. Clouds may block some of the warm summer sunshine, but they don’t necessarily block the much-needed UV-B rays.

I suppose in a way, those times are almost a CRAVING for sunshine. Much like how there are times when I crave certain foods. Perhaps my body is trying to tell me that I’m low on vitamin D and need a booster shot of sunshine.

But, what about getting your sunshine quota during darker months? These times, when SAD is more likely to occur, you need new sources. That’s when dietary options and supplements come in. You can get vitamin D from egg yolks, cow’s milk, and fortified soy beverages. If incorporating these new foods in your diet isn’t possible, try a supplement. Find a safe and natural vitamin D supplement to ensure you get the daily required dose.

Malillumination

John Ott, a pioneer in the relatively new field of photobiology was quoted in as saying, “by deliberately screening out supposedly harmful traces of atmospheric ultraviolet with tinted windows, sunglasses, suntan lotions and the like,” we may just be making ourselves sick. He termed this condition, “malillumination,” which he thought of as a sort of malnutrition.

There are times when I wake up to the sun shining and I have a feeling it’s going to be a good day. It doesn’t have anything to do with what I must do that day, it’s just because the sun is shining. This seems to work even if there is snow all over the ground. Just the sight of the sun shining brightly through my window cheers me up.

So, now is perhaps the time to push away from the computer. Step outside and get some visual nutrition. As the song says, “Let the sun shine in.” You’ll not only be making yourself feel better you’ll be helping your vision as well.

Sunshine and Eye Health

Vitamin D helps the body absorb calcium. But, do the eyes even need calcium? Yes, yes, and yes! It’s especially important for women over the age of 50 to get their vitamin D and calcium doses. At this age, women’s bodies often become deficient in calcium which affects their bones. For the eyes, calcium helps protect them from wet macular degeneration. At one point, it was believed that calcium contributed to the risk of macular degeneration, but this isn’t true.

Not only do the eyes need vitamin D for calcium, but they need it for inflammation. Vitamin D has anti-inflammatory properties that can help prevent dry eye syndrome. And, it can help the eyes heal after wounds or injuries.

The Institute of Ophthalmology at University College London has been running tests on older mice. The results have been amazing! Using a supplement of vitamin D3 they have found that the mice have:

  • Improved vision
  • Reductions in inflammation and lower levels of amyloid bets accumulations (a sign of aging)
  • Marked reduction in immune cells that can cause inflammation

We know that some of these results are also present in humans. Especially the reductions in inflammation. So, get your daily dose of sunshine or start taking a vitamin D supplement. Not only will this benefit your eyes, but it’ll help you avoid SAD during the winter months.

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Join or Start the Discussion

  1. Avatar for Tyler Sorensen Glenn says:

    I did wonder about sunglasses which block UV and sun screen, it seems like we’re prohibiting what our bodies were designed to receive. Vitamin D is so important, and yet there’s people who wear sunblock and take vitamin D supplements instead! Never seemed right to me!

    Interesting article 🙂

  2. Avatar for Tyler Sorensen SARAH JACKSON says:

    YOUR MESSAGES ARE A BLESSING FOR ME AND I HAVE CHRONIC
    DRY EYES AND ALSO WET AND DRY MACULAR DEGENERATION
    AND I GET FEAR AND WHEN I READ YOUR ARTICLES I FIND HOPE

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About the Author

Avatar for Tyler Sorensen

Tyler Sorensen is the President and CEO of Rebuild Your Vision. Formerly, Tyler studied Aeronautics (just like his brother) with the dream of becoming an airline pilot, however, after 9/11 his career path changed. After graduating top of his class with a Bachelor of Science in Informational Technologies and Administrative Management, he joined Rebuild Your Vision in 2002. With the guidance of many eye care professionals, including Behavioral Optometrists, Optometrists (O.D.), and Ophthalmologists (Eye M.D.), Tyler has spent nearly two decades studying the inner workings of the eye and conducting research.

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