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.
The Xhosa and white settlers first encountered one another around Somerset East in the early 18th century. In the late 18th century Afrikaner trekboers migrating outwards from Cape Town came into conflict with Xhosa pastoralists around the Great Fish River region of the Eastern Cape. are a Bantu ethnic group of Southern Africa living in south-east South Africa, and in the last two centuries throughout the southern and central-southern parts of the country. The Xhosa people are divided into several tribes with related yet distinct heritages.