The first of these “tube sites” appeared in September 2006 .In contrast, recent studies on ED and low sexual desire document a sharp increase in prevalence of such dysfunctions in men under 40.A 2014 study on Canadian adolescents reported that 53.5% of males aged 16–21 had symptoms indicative of a sexual problem .Erectile dysfunction was the most common (26%), followed by low sexual desire (24%), and problems with orgasm (11%).Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming News & Articles About U. AIDS Organizations | HIV/AIDS Hotlines, State-by-State | Contacts for American Indians & Alaskan Natives | AIDS Activist Contacts | U. Traditional factors that once explained men’s sexual difficulties appear insufficient to account for the sharp rise in erectile dysfunction, delayed ejaculation, decreased sexual satisfaction, and diminished libido during partnered sex in men under 40.A decade later, in 2011, the same (yes/no) question from the GSSAB was administered to 2737 sexually active men in Croatia, Norway and Portugal . However, in just a decade, things changed radically.The 2001–2002 rates for older men 40–80 were about 13% in Europe .
Yet these lifestyle risks have not changed proportionately, or have decreased, in the last 20 years: Obesity rates in U. men aged 20–40 increased only 4% between 19 ; rates of illicit drug use among US citizens aged 12 or older have been relatively stable over the last 15 years ; and smoking rates for US adults declined from 25% in 1993 to 19% in 2011 . Yet, how likely is it that anxiety and depression account for the sharp rise in youthful sexual difficulties given the complex relationship between sexual desire and depression and anxiety?For men under 40 the most common diagnosis is psychogenic ED, and researchers estimate that only 15%–20% of cases are organic in origin .However, none of the familiar correlative factors suggested for psychogenic ED seem adequate to account for a rapid many-fold increase in youthful sexual difficulties.This review (1) considers data from multiple domains, e.g., clinical, biological (addiction/urology), psychological (sexual conditioning), sociological; and (2) presents a series of clinical reports, all with the aim of proposing a possible direction for future research of this phenomenon.Alterations to the brain's motivational system are explored as a possible etiology underlying pornography-related sexual dysfunctions.A 2014 cross-sectional study of active duty, relatively healthy, male military personnel aged 21–40 employing the five-item IIEF-5 found an overall ED rate of 33.2% , with rates as high as 15.7% in individuals without posttraumatic stress disorder .The researchers also noted that sexual dysfunctions are subject to underreporting biases related to stigmatization , and that only 1.64% of those with ED had sought prescriptions for phosphodiesterase-5 inhibitors through the military .A 2014 study of new diagnoses of ED in active duty servicemen reported that rates had more than doubled between 20 .Rates of psychogenic ED increased more than organic ED, while rates of unclassified ED remained relatively stable .In 2012, Swiss researchers found ED rates of 30% in a cross-section of Swiss men aged 18–24 using the International Index of Erectile Function (IIEF-5) .A 2013 Italian study reported one in four patients seeking help for new onset ED were younger than 40, with rates of severe ED nearly 10% higher than in men over 40 .