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.
Though today the majority of Canadians are white, the land that is now âCanadaâ spent thousands of years under the rule of a different race. These were the aboriginal people, who had been living on the northern half of the North American continent since homo sapiens first arrived from Asia, via the Bering Land Bridge, around 21,000 B.C.