Those doing research in physiological aspects of ecology or in plant physiology often needed to take postdoctoral positions before they could find tenure - track faculty positions. (sciencemag.org)
Only now that I know that it is not a sin, but is a perfectly natural physiological aspect of male human nature. (nakedpastor.com)
Not only are there physiological aspects, there are also psychological attachments to certain high - calorie foods that can be challenging to overcome. (aminoacidstudies.org)