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 people of sub-Saharan Africa: 2000 - 500 BC. Much of the southern part of the African continent is occupied by tribes known as Khoisan, characterized by a language with a unique click in its repertoire of sounds.he people of sub-Saharan Africa: 2000 - 500 BC. Much of the southern part of the African continent is occupied by tribes known as Khoisan, characterized by a language with a unique click in its repertoire of sounds.