True or false. research indicates that as levels of happiness increase, cortisol levels appear to increase as well.

This is false.

Explanation:

Cortisol is a hormone that it is secreted as result of stress. It is also known as the stress hormone. Happiness levels decline as cortisol levels increase. Hormones associated with happiness are oxytocin, serotonin and dopamine. Happiness levels as well as overall mental and physical health increase when cortisol levels decrease.  so in this case  its false

answer; the above is a (true) statement;