There are over 2,900 species of snakes ranging as far northward as the Arctic Circle in Scandinavia and southward through Australia. Snakes can be found on every continent except Antarctica, in the sea, and as high as 16,000 feet (4,900 m) in the Himalayan Mountains of Asia.
The negative symptoms of schizophrenia are passive in nature. They affect the personâs thinking, emotion and behavior and can be the most devastating of all the symptoms. Three of the most common are flat affect, alogia, and avolition.
Most cases of schizophrenia manifest in the early 20s. The average age of onset is 16â25. Symptoms of schizophrenia include: hallucinations, delusions, and disorganized speech and behavior. Schizophrenia is a very serious, often devastating mental illness. 10â15% of all diagnosed schizophrenics eventually commit suicide.