The following discusses the main types of JIA. Arthritis research in the UK has more information on different types of juvenile idiopathic arthritis. Symptoms of arthritis usually develop over time, but may also occur suddenly. Arthritis is most common in adults over the age of 65, but it can also develop in children, adolescents and young adults. Arthritis is more common in women than men and overweight people. An increasing number of everyone has discovered their entrepreneurial spirits since downturn in the economy that began around 2008. Massive lay-offs and closed businesses inflated the unemployment figures to "historic proportions" as outlined by multiple news sources. Any relatively scarce job openings typically become inundated with applicants, creating highly competitive situations. Rising costs of gas and related commuting expenses only enhance the stress of finding and looking after regular employment.