NEW YORK (Reuters Health) – Multiple sclerosis (MS) patients who smoke have a speedier progression of the disease, a new study in the Archives of Neurology suggests.

Dr. Alberto Ascherio of the Harvard School of Public Health in Boston and his colleagues also found that smokers with MS were more likely to have the progressive form of the disease, in which symptoms steadily get worse, rather than the relapsing-remitting form, in which a person has MS symptoms intermittently.

“Most of the adverse effects were seen for current smokers, which in some way is good news because it suggests that

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