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.
In 1850, most of Africa had been free. Seventy years later, most of the continent was under European rule. Battle for Southern Africa ï· In the early 1800s in southern Africa, an African leader named Shaka organized Zulu warriors into a fighting force. He used his power against European slave traders and ivory hunters.