The lowest temperature reported in Illinois was -36Â°F in Congerville on January 5, 1999. The most rainfall from a single event was 16.94 inches in Aurora during a 24-hour period spanning July 17-18, 1996.
Both men and women are affected at the same rate. There are few risk factors that reliably predict a significant increased likelihood of being diagnosed with bipolar disorder. Genetics and oneâs family history appear to both have some influence over the likelihood of being diagnosed with bipolar disorder. Bipolar disorder is more common in those who have a sibling or parent with the illness and in families having several generations affected with mood disorders. Differing rates of bipolar disorder have not been reported for different races.
1 (National Institute of Mental Health). 2  The median age of onset for bipolar disorder is 25 years (National Institue of Mental Health), although the illness can start in early childhood or as late as the 40's and 50's. Bipolar disorder affects approximately 5.7 million adult Americans, or about 2.6% of the U.S. population age 18 and older every year. ( 2 National Institute of Mental Health).