Background: Modern psychological theories define introvert-extrovert spectrum as a continuous dimension of personality, rather than simply two personality types. Purpose this article is to investigate and explain the spectrum, discuss term ambivert whilst expanding using ambiversion an equally important, finally, importance libido in context introvert-ambivert-extrovert spectrum. Methods: Using...

Testosterone declines with aging, so most midlife women have "low" testosterone levels. Because libido also declines with aging, and distressing sexual problems peak at midlife, should midlife women with low libido and associated distress be treated with testosterone? This Practice Pearl reports clinical trial evidence, reviews the risks, and explains how testosterone might be used in a clinica...

OBJECTIVE The aim of this review was to summarize the literature regarding the potential role of testosterone therapy for women. METHODS The author conducted a search of the literature using Medline (Ovid, 1946-present) and PubMed (1966-2013) for English-language studies that included the following search terms: 'testosterone' or 'androgen' combined with 'women', 'therapy' or 'treatment'. R...

Seasonal variations of semen characteristics of the Muscovy drake were examined between January and July, 1981. Interrelationships among semen characteristics and libido as affected by seasonal changes in temperature, humidity and daylight hours revealed the following : conditioning the Muscovy drake to give semen increased its libido and improved semen quality ; in addition, peaks of sperm pro...

The present investigation aimed to conduct a genetic study of dairy cattle and buffalo bulls based on economic traits and their phenotypic correlation. The means of various economic traits in both the species are presented. Cattle bulls reported a better libido score, Flehmen response, requirement of mounting stimulus and semen volume, conception rate and expected predicted difference for milk ...

Results are promising but long-term safety remains uncertain.

Symptoms Although most depressed patients are not hypogonadal, testosterone deficiency can cause depressed mood, low self-confidence, timidity, fearfulness, irritability, low libido, and impaired sexual function in men and women. Conversely, robust androgen secretion usually promotes good mood, selfconfidence, boldness, dominant behavior, and strong libido. Men’s normally higher testosterone le...

Depression is a common occurrence in patients with Parkinson's disease (PD). Pramipexole is a dopamine agonist that has been used to treat both motor and non-motor symptoms associated with PD. We conducted a study to elucidate the effect of pramipexole on each of the depressive symptoms as assessed by the Zung Self-Rating Depression Scale (SDS). Twenty patients with PD were treated with pramipe...