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.
During the 1960s, environmentalism became a mass social movement. Drawing on a culture of political activism inspired in part by the civil rights and antiwar movements, thousands of citizens, particularly young middle-class white men and women, became involved with environmental politics.
The 1960s was a period of growth for the environmental movement. The movement began with a newfound interest in preservationist issues. In that decade, membership in former conservationist organizations like the Wilderness Society and the Sierra Club skyrocketed from 123,000 in 1960 to 819,000 in 1970.NVIRONMENTAL MOVEMENT. The modern environmental movement differed from an early form of environmentalism that flourished in the first decades of the twentieth century, usually called conservationism.