Singing for Health and Well-Being

Singing for Health and Well-Being
When these Christmas carolers are singing, they are strengthening their immune systems. Frazer Harrison/Getty Images for Overture
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<a><img src="https://www.theepochtimes.com/assets/uploads/2015/09/Carolers-83909129.jpg" alt="When these Christmas carolers are singing, they are strengthening their immune systems. (Frazer Harrison/Getty Images for Overture)" title="When these Christmas carolers are singing, they are strengthening their immune systems. (Frazer Harrison/Getty Images for Overture)" width="320" class="size-medium wp-image-1824903"/></a>
When these Christmas carolers are singing, they are strengthening their immune systems. (Frazer Harrison/Getty Images for Overture)
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