Serotonin is a monoamine neurotransmitter, which is phylogenetically conserved in a wide
range of species from nematodes to humans. In mammals, age-related changes in serotonin …

Gastrointestinal disorders are a major cause of morbidity in the elderly population. The
gastrointestinal tract is the most complex organ system; its diverse cells perform a range of …

Background: Beverage consumption is implicated in the overweight/obesity epidemic
through the weaker energy compensation response it elicits compared with solid food forms …

Physiological functions of the two extreme ends of the age spectrum, children (< 18 y old)
and older adults (aged 65 y and over), differ from healthy young adults. This consequently …

Neuron loss occurs in the myenteric plexus of the aged rat. The myenteric plexus is
composed of two mutually exclusive neuronal subpopulations expressing, respectively …

Functional gastrointestinal disorders (FGIDs) have prominent sex differences in incidence,
symptoms, and treatment response that are not well understood. Androgens are steroid …

As we enter the 21st century, the segment of the population that is the most rapidly
expanding is that comprised of individuals 85 yr of age and older. Dysfunctions of the …

With the size of the aged population in the United States expected to grow considerably
during the next several decades, the number of imaging studies performed on such aged …

that it would solicit proposals from potential qualified authors to draft the reports and would
modify and supplement the drafts as necessary. A request for proposal was prepared and …

Abstract Brogna A, Ferrara R, Bucceri AM, Lanteri E, Catalano F. Influence of aging on
gastrointestinal transit time: An ultrasonographic and radiologic study. Invest Radiol 1999; …