It's definitely a trend, and the handwriting is on the wall for anyone using chimpanzees in research. Public sentiment has also turned against using chimpanzees, especially in invasive studies, after decades of studies on the apes revealed their intelligent, emotional natures to be similar to our own.
Best Answer: CONCLUSION: Weight gain and elevated body weight are frequently associated with prolactinomas regardless of a mass effect on the hypothalamus or pituitary function. In this series, weight loss was recorded in 70% of prolactinomas patients and in 90% of male patients who normalized their prolactin levels. We propose the inclusion of hyperprolactinaemia in the differential diagnosis of endocrine obesity and weight gain.
In women, a prolactin test may be ordered if she displays symptoms of prolactinoma, which is a benign (non-cancerous)tumor on the pituitary glandthat produces high levels of prolactin. Symptoms of prolactinoma can include:1  unexplained headaches. 2  visual impairment.n other words, prolactin triggers lactation. The specific function of prolactin in men is not well known, although levels of prolactin have been found to be a measure of sexual satisfaction in both men and women. A prolactin test is a blood test that measures the level of the hormone in your body.