Diseases that cause Hyper-excitability. Peripheral nerve hyperexcitability (PNH) is any disorders associated with twitching spasms, spontaneous muscular activities, facial tics etc.iseases that cause Hyper-excitability. Peripheral nerve hyperexcitability (PNH) is any disorders associated with twitching spasms, spontaneous muscular activities, facial tics etc.
On April 6, 1652 the first white people (Dutch) arrived in South Africa to establish a settlement at the Cape. Their purpose, initially, was not to colonize the area, but to s â¦ upply fresh food for the men on the Dutch ships sailing on the long route between Europe and India.
Slavery first came to the North American colonies in 1619 when John Rolfe of Jamestown purchased black laborers from a Dutch trader. Soon Caribbean and African blacks began trickling into the colony. The blacks who came to the Chesapeake, both from the Caribbean and West Africa, did so under ambiguous circumstances.