We began the lesson with this timed question:
"Outline two ways in which the body responds to stress." 8 marks AO1
It's now common knowledge that psychological stress can lead to poor health and a less effective immune system, but what research is this based on?
Selye's classic research with rats isn't directly named on the specification, so you won't be asked about it directly in the exam, but it's a useful study to know about, and provides evidence for two different stress response systems - here is the
presentation.
What you do need to know is what the immune system is and how stress affects is, and you may need to describe and evaluate research into this. Here is a
presentation on the immune system which looks at Kiecolt-Glazer (1995) - a study looking at wound-healing and cytokine levels in women caring for relatives with senile dementia.
You need to read and make notes about two other studies - Kiecolt-Glazer (1984) measuring natural killer cell (a type of white blood cell) levels in medical students during their exams - and Cohen, spraying cold viruses up participants' noses and asking them how stressed they felt. You also need notes on the meta-review of stress / immunse system research which provides strong evidence for a link.
We will meet a number of studies in this topic which look at the effects of stress on different aspects of health. These are the only ones that deal specifically with the immune system, and you need to use them for questions which refer to it.
Essay question for Friday 20th January:
"Describe and evaluate research findings relating to the link between stress, illness and the immune system." 6 marks AO1 + 6 marks AO2