Tracy Weight Loss

November 11, 2008

Can Daily Exposure to Bright Light Help Weight Loss - is There Any Evidence or Theory That It Might Work?

A weight loss question that should definitely interest you all this week

Question: Obesity seems more common in higher latitudes where sunlight is relatively weak. Also I have noticed that I lose weight during summer holidays. I'd like to know if exercising outdoors in bright light might do me more good (in terms of weight control) than exercising indoors in relatively dim light. Is there some kind of hormone effect connecting light and appetite levels, or some other plausible mechanism?
Answer: First off, remember to check out my diet plan here: Tracys Weight Loss Now, on to your question…You are actually asking two questions.
1.) Q: Can sun exposure help with weight loss? A: YES - this is due to the affects of vitamin D production and ultimatley hormone regulation.

2.) Q: Why are people in higher latitudes heavier? A:Besides the fact that they spend less time outside because of the cold winters, the issue also stems from evolution. People who's ancestors come from colder climates tend to have more trunk weight. This was so that they could protect the vital organs by insulating them with fat during cold months. People in warmer climates tend to have their weight more in the extremities. Phillipines and the islands. This is to keep the fat insulation away from the body organs so they don't overheat.

Great question!

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