John Jackson, analyst at IDC, said BlackBerryâs decision to stop making devices was âentirely sensible and probably overdueâ. CMC Markets said the death of the BlackBerry handset marked the end of an era for a company once considered one of the worldâs major smartphone vendors.
The damage to glomerular artery and nephrons due to hypertension is focal, but kidney function decline in the late term is progressive. On one hand, high blood pressure can impair kidneys, and kidney damage aggravates hypertension; they two form a vicious circle, and cause pathological changes in normal small artery and nephrons. On the other hand, hypertension induced nephrons injury can cause compensatory high perfusion and high filtration in remaining normal nephrons.
Malignant Hypertension. A headache may indeed be one of your symptoms if you have severe or âmalignantâ hypertension. This type of high blood pressure can come on very suddenly and affects about one percent of people with hypertension.