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.
Schizophrenia symptomsâ¶ are typically separated into 2 categories: Positive symptoms: Feelings or behaviors that are usually not present, such as: 1  Believing that what other people are saying is not true (delusions)  Hearing, seeing, tasting, feeling, or smelling things that others do not experience (hallucinations)
Schizoaffective disorder is a serious mental illness that has features of two different conditions -- schizophrenia, and an affective (mood) disorder that may be diagnosed as either major depression or bipolar disorder.ymptoms of schizoaffective disorder may vary greatly from one person to the next and may be mild or severe. Symptoms of schizoaffective disorder may include: Depression. 1  Poor appetite. 2  Weight loss or gain. 3  Changes in sleeping patterns (sleeping very little or a lot). 4  Agitation (excessive restlessness).