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.
FROM AFRICA TO THE AMERICAS. In the 360 years between 1500 and the end of the slave trade in the 1860s, at least 12 million Africans were forcibly taken to the Americas - then known as the New World to European settlers. This largest forced migration in human history relocated some 50 ethnic and linguistic groups. Only a small portion of the enslaved - less than half a million - were sent to North America. The majority went to South America and the Caribbean.