PSYA02 April 1, 2013
The West is very treatment is very treatment-based – they wait for problems before they
try to treat them. They don’t work with prevention.
A culture’s adaptive change to recurrent (ever changing) environmental pressures …
We don’t totally develop. Evolution shapes us but environment really impacts us.
Cultural evolution shapes lifestyle, the aggregate behaviour of a person … the way the
person chooses to life their life.
Lifestyle has changed significantly … “civilization” enhances standards of living, but also
introduces new challenges and dangers.
Honduras example: the children are poor but are happy. Children in richer social
statuses have more things but are less happy.
Lifestyles and Animal Research
Evolutionary pressures are most relevant in the time frame up to ages of sexual
reproduction, much less relevant when people are older. Unhealthy lifestyles typically
have their effects later in life, when people are older.
Hence unhealthy lifestyles are not selected against
Bad habit occurs after having kids? Probably will not be filtered out and will be
passed to kids.
Die before having kids? It will probably be filtered out as it can’t be passed to
Animal research trying to find cure for human diseases. The problem is that we do know
some answers for certain things. Giving rats lung cancer to try to find a cure – we know
one cure – stop smoking!
In the past century or so, life expectancy has been going up – due to things like
sanitation and advances in medical treatment. Usually the following generation l