Some are based on the success stories of individual doctors and patients or on the idea that it makes sense to try to mimic the body's hormonal patterns as closely as possible.

Dose-ranging effects of citrulline administration on plasma amino acids and hormonal patterns in healthy subjects: the Citrudose pharmacokinetic study.

Yeast infection symptoms can follow the hormonal pattern of this cycle.

The researchers also found that shorter sleep times were associated with increased circulating ghrelin and decreased leptin, a hormonal pattern that is consistent with decreased energy expenditure and increased appetite and obesity.

Normal male sexuality seems to depend upon very specific and complicated hormonal patterns that are not completely understood.

Laboratory tests show the same hormonal pattern that was observed when Ling-Ling was pregnant last year, said Mike Morgan, a spokesman for the zoo.

Each stage is marked by changes in hormonal patterns, which can induce menopausal symptoms.