Vimpat was tested in people 17 years of age and older. Most effective seizure medications are usually effective at all ages, but side effects and dosages can differ. Because Vimpat affects the brain growth factor, CRMP-2, a possible negative effect on brain development in young children cannot be ruled out.
Environmental Movement. Environmentalism is the most popular social movement in the United States today. Five million American households contribute to national environmental organizations, which together receive over $350 million in contributions from all sources. On the local level some 6,000 environmental groups are active.
Charles Tilly defines social movements as a series of contentious performances, displays and campaigns by which ordinary people make collective claims on others. 1  For Tilly, social movements are a major vehicle for ordinary people's participation in public politics. He argues that there are three major elements to a social movement: