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.
Best Answer: Based on genes and fossils Europeans stepped out of Africa only 60,000 years ago about 100,000 years after modern man appeared.During the transit from sunshine to grey skies something provoked a fairly rapid change in skin colour.hats pretty offensive dude. White people are no 'more evolved' than black people are. If you familiarise yourself with Darwins theory of evolution, you will see that lifeforms adapt themselves to climates and habitats in which certain characteristics are more favourable.