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 first people of Nigerian ancestry in what is now the modern United States came as slaves from the 17th century onwards. Calabar, Nigeria, became a major point of export of slaves, from Africa to the Americas, during the 17 and 18th centuries. Most slave ships frequenting this port were English.ome Nigerian ethnic groups, such as the Yoruba, and some northern Nigerian ethnic groups, had tribal facial identification marks. These could have assisted a returning slave in relocating his or her ethnic group, but few slaves escaped the colonies.