It's not just serotonin either-most neurotransmitters can cause anxiety or anxiety like symptoms, and in some cases an over-abundance of a chemical can lead to anxiety. So it does appear that you can develop it without experiencing a stressful life.
Howard Heinzl (1918 - 1989) With regard to blue American Staffordshire Terriers, any breeder that believes that a blue American Staffordshire Terrier is some how more valuable than the other recognized colours, is not only deceiving themselves, but they are also deceiving their customers.
The name Staffordshire Terrier comes from the miners of Staffordshire, England, who had a hand in the development of the original English fighting breed. Originally, 50 Staffordshire Terriers were accepted into the AKC. One of the original dogs was none other than the famous Petey, from the Little Rascals.Source(s): http://www.pitbullsoforegon.com/breed_hi...riginally, 50 Staffordshire Terriers were accepted into the AKC. One of the original dogs was none other than the famous Petey, from the Little Rascals. Source(s): http://www.pitbullsoforegon.com/breed_hi...