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.
They are mainly of East African and Malagasy origin. However, some are also of mixed East African, Malagasy, Indian, Chinese and French Origins. Origins Originally, East Africans and Malagasy people were brought to Seychelles as slaves to work on sugar and coffee plantations. These slaves were the last to be introduced to the Indian Ocean .