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.
White people is a racial classification specifier, depending on context used for people of Caucasian ancestry.The contemporary usage of white people or a white race as a large group of (mainly European) populations contrasting with  black ,  colored  or non-white originates in the 17th century.he term white race or white people entered the major European languages in the later 17th century, originating with the racialization of slavery at the time, in the context of the Atlantic slave trade and the enslavement of native peoples in the Spanish Empire.