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.
About four out of every five females that traversed the Atlantic were from Africa. The majority of enslaved Africans were brought to British North America between 1720 and 1780. The decade 1821 to 1830 still saw over 80,000 people a year leaving Africa in slave ships. Well over a million more â one tenth of the volume carried off in the slave trade era â followed within the next twenty years.