Quiz 1 Flashcards
(150 cards)
What is the average age for onset of anxiety and depression?
Anxiety - 6 Depression - 13
What has happened in the number of reports of anxiety and depression in young people from 1986 -> 2006
Doubled across girls and boys
What % of the young and adult population are either overweight or obese?
Young - between 25-30% Adult - 65%
What is one of the primary drivers of systemic inflammation?
Excess adipose tissue, particularly around the guts
What did Jacka et al. 2010 find an increase in a Western diet (junk and processed foods) led to in terms of psychological outcomes, for women?
For each SD increase in Western diet -> increase in the odds ratios for the mood disorders: major depression and dysthymia and bipolar disorder, but not anxiety.
What did Jacka et al. 2010 find an increase in a traditional diet (vegetables, fruit, beef, lamb, wholegrains, fish) led to in terms of psychological outcomes, for women?
Increased traditional diet = decreased MDD/dysthymia, bipolar and anxiety
What kind of specific diet has been shown to improve mood, energy, vigour and contentment?
10-day Mediterranean diet
Are trans-fats linked to depression?
Strongly linked to depression
Also, fast foods etc associated with approx 40% increase risk of new depression over time
What are the 4 major types of food that have been found to have a positive or negative impact on well being?
Sugar
Carbs
Omega-3
Fermented Foods
How much sugar does the average person consume per week? How much is recommended?
1.36kg (more than 200g / day) No more than 25g / day
What 2 areas of the brain can excess sugar shrink?
- Areas responsible for memory
- Areas responsible for mood regulation eg: hippocampus
What is the link between sugary drinks and depression?
For every sugary drink consumed, odds of reporting greater depressive symptoms increased by 5%
Association stronger in women than in men.
What psychological disorder has excess sugar consumption been linked to?
Major depression
In what ways do carbohydrates impact well being?
- Enhance mood in individuals with obesity, premenstrual syndrome, and seasonal affective disorder (versus protein-based diets)
- Reduce anxiety, anger, and depression
Which fatty acids does Omega-3 refer to?
ALA, EPA and DHA
In what ways does omega-3 impact well being?
- Link between depression and low omega-3 fatty acids (drawn from seafood)
- Linked with neuronal growth, delay of dementia, enhanced mood, and reduced heart disease.
What does recent research say on the benefits of fish oil supplements?
Mixed results:
- may be benefits to taking fish oil supplements alongside anti-depressant medication in treating MDD, particularly for supplements that are high in EPA
- no significant reduction in both fatal or non-fatal cardiovascular disease
What is the association between fermented food consumption and social anxiety and depression?
Greater consumption of fermented foods was associated with fewer symptoms of social anxiety (correlational design rather than an experimental trial).
Possible link between healthy gut bacteria and lower depression
Eating vegetables, fruits, legumes, cereals, and fish, with a moderate intake of wine during meals, may significantly reduce what?
- Overall mortality,
- Cardiovascular mortality,
- Cancer incidence and mortality,
- Incidence of Parkinson’s and Alzheimer’s.
What are the 9 aspects associated with food choices?
Health
Mood
Convenience
Sensory Appeal
Natural Content
Price
Weight Control
Familiarity
Ethical Concern
What are the five basic tastes?
sweet,
sour,
bitter,
salty, and
umami
What is the link between coffee and depression?
One study found women who drank coffee had a 20% lower risk of depression
What did Dawkins (2011) find regarding the placebo effect of coffee?
In a 2x2 experimental study, participants were allocated to a drink type (caffeinated/decaf) and expectancy (told coffee was caffeinated/told coffee was decaf) condition. Results found that both consuming caffeine and expecting to have consumed caffeine enhanced attention and psychomotor speed.
What are some of the benefits of eating chocolate?
- Consumed chocolate daily during pregnancy -> improved child temperament
- Increased wellbeing among men who reported eating chocolate versus other sweets
- Enhanced cognition, reduced cancer, diabetes, and cardiovascular disease in elderly people who consumed 100g of dark choc / day
- Lower blood pressure, blood sugar and cortisol, improved cellular processing of sugar
