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.
One of the most commonly known snakes in Canada is the garter snake. They can be found anywhere in Canada and central United States and come in quite a few different colors and markings. Garter snakes are usually about 60 to 80 cm (23-30 inches) long, but they have been known to grow up to 135 cm.