Mr. Cromarty also cited the 24-hour availability of racing on television and decreased interest in cars among younger generations as the prime factors behind declining crowds.
But Dr. Linda Li, a plastic surgeon in Beverly Hills, said that decreasing wait times can be a symptom of decreased interest in — or funds for — plastic surgery.
The increased market for shark meat has ensured that shark-fishing businesses remain economically viable despite decreased interest in specific body parts.
It may not be outright depression, but it can have mild depression as a symptom, along with low energy, overeating, difficulty concentrating, decreased interest in sex and heightened sensitivity to criticism.
The drive to transform Turkey from an agricultural nation into an industrial one during the 80s, also decreased interest in farming, as people started to migrate to urban areas.
"Some kids have a genetic predisposition for depression, and are more likely than others to get depressed," said Dr. Fassler, ticking off the warning signs -- "sadness, decreased energy and appetite, loss of interest in usual activities, decreased interest in sex, any thoughts of suicide".
The cause of the learners' decreased interest was the output requirement of these tasks which was cognitively demanding.
Correlational evidence suggests that self-reported stigma experience is associated with risk for binge eating and decreased interest in physical exercise and dieting, for children and adults.
As Facebook co-founder and five-time Burning Man attendee Dustin Moskovitz wrote last year in a must-read analysis of Burning Man haves and have-nots, "I know many of the entrepreneur invaders and, without exception, they come back from their first year with a decreased interest in zero-sum competition and a deep appreciation of the fully connected and mutually supportive community".
"This then has flow on effects including decreased interest in sex.
The symptoms include depression, decreased interest in usual activities, lethargy and sleeping a lot more or a lot less.
