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![migraine symptoms](/img.webmd.com/dtmcms/live/webmd/consumer_assets/site_images/article_thumbnails/infographics_social/may_2018/migraine_symptoms.png)
the software identified and measured a marker of svd and then gave a score indicating how severe the disease was ranging from mild to severe. .
when robert had to go on full medical disability in his early 50s after hurting himself at work, helen went back to work, this time in the oil industry. .