In the past, taxpayers weren't required to pay Medicare tax on income generated from investments such as capital gains, dividends, and taxable interest. Since 2013, however, you could owe a 3.8% Medicare tax on some or all of your net investment income (as part of the Affordable Care Act).
By Guido R. Zanni, Contributor | May 11, 2013, at 9:00 a.m. Restless legs syndrome is a disorder of the nervous system. Patients with RLS have uncomfortable feelings in their legs; patients say it feels like something is crawling under their skin. Other feelings might include pain, itching, and pins and needles.
A body that becomes overly stressed (stress-response hyperstimulated) can cause the nervous system to behave erratically, which can cause nerve impulses to fire erratically. Since nerve impulses control muscles, an erratically behaving nervous system can cause muscles to twitch. As long as the nervous system is even slightly overly stressed, it can cause erratic muscle twitching.