High blood pressure symptoms, signs and risks. High blood pressure, or hypertension, doesnât usually cause any obvious symptoms. The British Heart Foundation estimates that up to 5 million people in the UK have undiagnosed high blood pressure. Left untreated, hypertension can lead to serious diseases, including stroke, heart disease, kidney failure and eye problems.
Quick Answer. The northern ringneck snake is a bluish-black snake that grows to approximately 2 feet in length and lives throughout a sizable portion of North America. The morphology of the ringneck snake varies slightly in terms of coloration, with olive and brown varieties living in certain areas. Continue Reading.
Copperheads are considered medium-sized snakes and average 24 to 36 inches long. Adult male copperheads generally grow to longer lengths than females. Thus, a copperhead 36 or 39 inches long is likely a large male. Copperheads may reach a maximum length of over 43 inches.