Nocturnal hormonal rhythms play an important role in regulating various physiological processes in the human body including sleep-wake cycle, digestion, metabolism, growth and development,...
Rhythmic variation in stimulation speed and amplitude has been shown to play a critical role in regulating the activity of both the sympathetic and parasympathetic nervous systems, which are...
Visual stimuli have the ability to evoke a range of physiological responses within the body without conscious thought, including changes in heart rate, blood pressure, breathing, and digestion. These...
The autonomic nervous system is responsible for controlling involuntary bodily functions such as heart rate, breathing, digestion, blood pressure, and sexual response. It has both sympathetic and...
Anxiety disorders can cause significant changes to an individual's physiology, including alterations in heart rate, breathing patterns, muscle tension, sweating, and digestion. These changes are...
Kissing deeply stimulates production of saliva and helps balance oral bacteria. The word "kiss" refers to pressing one's lips against another person's lips while closing one's eyes and mouth. During...
Longer kissing sessions increase saliva flow and lower cortisol, preparing the body for sex. Salivating during kissing is considered to be an adaptive response to prepare the body for sex. It is...
How does metabolism work?
Metabolism refers to all chemical processes that occur within living organisms. It includes converting food into energy for various functions such as growth, development,...