Huperzine A is used for Alzheimer's disease, memory and learning enhancement, and age-related memory impairment. It is also used for treating a muscle disease called myasthenia gravis, for increasing alertness and energy, and for protecting against agents that damage the nerves such as nerve gases.hildren: Huperzine A is POSSIBLY SAFE in children when taken by mouth for a short period of time (less than one month). Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking huperzine A if you are pregnant or breast-feeding.
superpower â(plural superpowers) ( 1 uncountable) Excessive or superior power. ( 2 countable) A sovereign state with dominant status on the globe and a very advanced military, especially the Soviet Union or United States.  1999, David Held, Global Transformations: Politics, Economics and Culture (page 97)
The term superpowers is used to describe countries that have a dominant position that influences much of the globe. In 1944, the term superpower was coined to distinguish countries who had more than normal power to influence world affairs in politics, economy, and military matters. Lyman Miller defined superpower as a country that had advantage in the four axes of power. These are military, economic, political, and cultural.