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.
Most Caribbean people have African ancestors. It has been estimated that more than 1.6 million people were transported between Africa and the Caribbean between 1640 and 1807. Once in the Caribbean, these people were enslaved and forced to toil on the plantations and in households.y Guy Grannum Last updated 2011-02-17. Researching family history can be quite challenging for African-Caribbean people because the dispossession caused by the slave trade means that ancestral links have been lost or buried.