Psychological Factors in Health and Illness

The video introduces health psychology, focusing on how psychological factors affect health, illness, and recovery. It explains key terms like etiology and epidemiology, and discusses the challenges of establishing causation in epidemiological studies. The video also covers prospective studies, their limitations, and the role of psychological factors in illness, including concepts like voodoo death, psychogenic, and psychosomatic illnesses. Finally, it touches on psychoneuroimmunology, which examines the relationship between stress, psychological factors, and the immune system.

What does the term 'etiology' refer to in health psychology?

• The prevention of health issues

• The study of disease distribution

• The origin or causes of an illness

• The treatment of psychological disorders

Why is it challenging to establish causation in epidemiological studies?

• Because illnesses are too rare

• Because the studies are too short

• Because it is unethical to induce illnesses experimentally

• Because there are too many variables to consider

What is a potential issue with retrospective studies?

• They are too short in duration

• They require a large sample size

• They can introduce bias in recalling past events

• They are too expensive

Why might epidemiological studies show conflicting results?

• Because they are not peer-reviewed

• Because they use different sample sizes

• Because they examine many variables and outcomes, leading to coincidental findings

• Because they are conducted in different countries

What is a major drawback of prospective studies?

• They are too short

• They are inexpensive

• They are time-consuming and costly

• They do not provide reliable data

What is 'voodoo death' as described by Walter Cannon?

• Death caused by a curse and psychological stress

• Death due to a viral infection

• Death from a genetic disorder

• Death caused by environmental factors

What is a possible explanation for the phenomenon of 'voodoo death'?

• It is caused by environmental toxins

• It results from over-activation of the sympathetic nervous system due to stress

• It is caused by a genetic mutation

• It is a result of poor diet

What is a psychogenic illness?

• An illness originating from the mind

• An illness caused by environmental factors

• An illness caused by bacteria

• An illness with no known cause

What is the difference between psychogenic and psychosomatic illnesses?

• Psychosomatic illnesses have no symptoms

• Psychogenic illnesses originate from the mind, while psychosomatic illnesses involve psychological factors affecting symptoms

• Psychosomatic illnesses are purely psychological

• Psychogenic illnesses have a known physiological cause

What does psychoneuroimmunology study?

• The effects of medication on psychological disorders

• The connection between stress, psychological factors, and the immune system

• The impact of exercise on mental health

• The relationship between diet and health