{"id":6846,"date":"2012-12-20T06:01:12","date_gmt":"2012-12-20T11:01:12","guid":{"rendered":"http:\/\/blog.beliefnet.com\/beyondblue\/?p=6846"},"modified":"2012-08-05T11:06:31","modified_gmt":"2012-08-05T15:06:31","slug":"on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad","status":"publish","type":"post","link":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html","title":{"rendered":"On the Winter Solstice: New Study Suggests Genetic Predisposition to SAD"},"content":{"rendered":"

\"\"<\/a><\/p>\n

Happy winter solstice to all my Beyond Blue<\/a> readers. I am celebrating by staring into my HappyLite! Here’s an interesting article about the possible genetic predisposition to SAD published by NAMI, National Alliance on Mental Illness<\/a>:<\/p>\n

The holidays are a celebratory time for most people, but those affected by Seasonal Affective Disorder (SAD) may experience continuing episodes of depression during the late fall and winter, alternating with periods of normal or high mood the rest of the year. While the environment can trigger the disorder in some people, a new study suggests that others may have a genetic predisposition to SAD.\n<\/p><\/blockquote>\n

\n

People living with SAD may experience oversleeping, daytime fatigue, and weight gain. Others may show symptoms associated with depression, such as decreased sexual interest, lethargy, hopelessness, suicidal thoughts, lack of interest in normal activities, and social withdrawal. Many people with SAD do not feel “normal” until May.<\/p>\n

In the study, researchers observed 220 people, including 90 people without depression and 130 people diagnosed with SAD. In the latter group, seven people had two mutated copies of the photopigment gene in the eye, which helps detect colors. The mutation makes a person with SAD less sensitive to light.<\/p>\n

This information one day may be used to predict whether a person may have a higher risk for developing SAD, or whether light therapy will be effective.<\/p>\n

While researchers have not identified specific causes of the disorder, seasonal circadian rhythm interruption, as well as changes in serotonin and melatonin production, may also play a role in the disorder. <\/p>\n

When seasonal changes trigger recurring mild feelings of depression, some people living with SAD find that light therapy–using bright lamps or scheduling more time outdoors in winter–helps to manage symptoms. If symptoms noticeably affect one’s daily living, he or she should consult a mental health professional who is qualified to treat SAD.<\/p>\n<\/blockquote>\n

Image courtesy of Wikipedia.com<\/p>\n","protected":false},"excerpt":{"rendered":"

Happy winter solstice to all my Beyond Blue readers. I am celebrating by staring into my HappyLite! Here’s an interesting article about the possible genetic predisposition to SAD published by NAMI, National Alliance on Mental Illness: The holidays are a celebratory time for most people, but those affected by Seasonal Affective Disorder (SAD) may experience…<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-6846","post","type-post","status-publish","format-standard","hentry","category-mental-health"],"yoast_head":"\nOn the Winter Solstice: New Study Suggests Genetic Predisposition to SAD - Beyond Blue<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"On the Winter Solstice: New Study Suggests Genetic Predisposition to SAD - Beyond Blue\" \/>\n<meta property=\"og:description\" content=\"Happy winter solstice to all my Beyond Blue readers. I am celebrating by staring into my HappyLite! Here’s an interesting article about the possible genetic predisposition to SAD published by NAMI, National Alliance on Mental Illness: The holidays are a celebratory time for most people, but those affected by Seasonal Affective Disorder (SAD) may experience…\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html\" \/>\n<meta property=\"og:site_name\" content=\"Beyond Blue\" \/>\n<meta property=\"article:published_time\" content=\"2012-12-20T11:01:12+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2012-08-05T15:06:31+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/blog.beliefnet.com\/beyondblue\/files\/2012\/12\/320px-The_Earth_seen_from_Apollo_17-300x300.jpg\" \/>\n<meta name=\"author\" content=\"Beyond Blue\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"On the Winter Solstice: New Study Suggests Genetic Predisposition to SAD - Beyond Blue","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html","og_locale":"en_US","og_type":"article","og_title":"On the Winter Solstice: New Study Suggests Genetic Predisposition to SAD - Beyond Blue","og_description":"Happy winter solstice to all my Beyond Blue readers. 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Here’s an interesting article about the possible genetic predisposition to SAD published by NAMI, National Alliance on Mental Illness: The holidays are a celebratory time for most people, but those affected by Seasonal Affective Disorder (SAD) may experience…","og_url":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html","og_site_name":"Beyond Blue","article_published_time":"2012-12-20T11:01:12+00:00","article_modified_time":"2012-08-05T15:06:31+00:00","og_image":[{"url":"http:\/\/blog.beliefnet.com\/beyondblue\/files\/2012\/12\/320px-The_Earth_seen_from_Apollo_17-300x300.jpg"}],"author":"Beyond Blue","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html","url":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html","name":"On the Winter Solstice: New Study Suggests Genetic Predisposition to SAD - Beyond Blue","isPartOf":{"@id":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html#primaryimage"},"image":{"@id":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html#primaryimage"},"thumbnailUrl":"http:\/\/blog.beliefnet.com\/beyondblue\/files\/2012\/12\/320px-The_Earth_seen_from_Apollo_17-300x300.jpg","datePublished":"2012-12-20T11:01:12+00:00","dateModified":"2012-08-05T15:06:31+00:00","author":{"@id":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/#\/schema\/person\/47318cdf8063cc052eccff0c99db4e75"},"breadcrumb":{"@id":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html#primaryimage","url":"http:\/\/blog.beliefnet.com\/beyondblue\/files\/2012\/12\/320px-The_Earth_seen_from_Apollo_17-300x300.jpg","contentUrl":"http:\/\/blog.beliefnet.com\/beyondblue\/files\/2012\/12\/320px-The_Earth_seen_from_Apollo_17-300x300.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/2012\/12\/on-the-winter-solstice-new-study-suggests-genetic-predisposition-to-sad.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.beliefnet.com\/columnists\/beyondblue"},{"@type":"ListItem","position":2,"name":"On the Winter Solstice: New Study Suggests Genetic Predisposition to SAD"}]},{"@type":"WebSite","@id":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/#website","url":"https:\/\/www.beliefnet.com\/columnists\/beyondblue\/","name":"Beyond Blue","description":"Beliefnet Voices - Therese J. 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