Final answer:
Psychophysiological disorders are physical illnesses influenced by psychological factors. Stress can impact the immune system and increase the risk of disorders like heart disease and asthma. Biological features that contribute to these disorders include reactions in the immune and cardiovascular systems.
Step-by-step explanation:
Psychophysiological disorders are physical illnesses that can be either prompted or exacerbated by psychological factors. Among the biological features that contribute to such disorders, the role of the immune system is of particular significance. Stress and emotional states can influence the functioning of the immune system, which in turn, can lead to or worsen diseases and conditions, such as cardiovascular disorders and asthma.
For instance, chronic stress can lead to a constant state of heightened physiological arousal. This persistent arousal can result in high blood pressure and circulatory issues, which may increase the risk for various types of heart disease. Additionally, stress hormones like cortisol can lower immune defenses, making an individual more susceptible to infections and negatively influencing recovery from illness.
Understanding these dynamics is crucial because it helps in identifying ways to prevent or manage the biological impact of psychological factors on health. It also underlines the importance of adopting stress management techniques and a healthier lifestyle to minimize the risk of stress-related health issues.