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"We know that Jennifer Aniston keeps her famous bod healthy with a good diet and plenty of exercise (she makes working out a priority and does it seven days a week). But she&amp;#x27;s also revealed that she counts on a few other things, too. Jennifer has revealed that she&amp;#x27;s ditched trendy diets in favor of eating well and in moderation (always a good move!). She says: &amp;quot;I stopped dieting when I figured out that you just have to eat regularly and properly within moderation. The fads are too much.&amp;quot; But there are two other things she counts on, too: &amp;quot;I think it&amp;#x27;s really about--honestly, this is going to sound silly--going in the sun for 20 minutes a day is really important, Vitamin D, because we are now having a Vitamin D deficiency because of all the SPF. And I think being happy and smiling and laughing a lot.&amp;quot; Studies have shown that sunshine-provided Vitamin D may help ward off cancer and help build bone and muscle strength--and even raise our serotonin levels, which increase feelings of happiness. And studies have also shown that laughter gives your body a physiological boost--its benefits are similar to those of exercise, decreasing stress levels and blood pressure while boosting the immune system (and burning some calories, too). Worth a try, no? What do you think of Jen&amp;#x27;s tips? More star health tips: * Let&amp;#x27;s Steal Halle Berry&amp;#x27;s Workout Secrets * Leona Lewis Has a Condition That Makes Her Scared of Balconies * Mindy Kaling Does THIS When She&amp;#x27;s Feeling Depressed (Do You, Too?) Photo: Getty Images"^^<http://www.w3.org/2001/XMLSchema#string>
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