This should include income tax, company tax and other progressive forms of taxation, thus sharing the load according to capacity to pay. (croakey.org)
Moreover, there are currently no treatments available for the more severe progressive form of the disease. (gladstone.org)
Once myelin is stripped from these fibers, the nerve cells become highly susceptible to damage, which is believed to underlie their destruction, leading to the steady clinical decline seen in progressive forms of multiple sclerosis. (sciencedaily.com)