How Risk Unfolds Across the Lifespan

View the TEDTalk below, titled How Risk Unfolds Across the Lifespan.
The speaker, Dr. Dick is the director of COBE (Contemplative Science and Education Core), a professor in the Psychology Department at Virginia Commonwealth University, and the primary investigator of Spit for Science, a longitudinal research study that examines student substance use and mental health.
From Genes to Addiction: How Risk Unfolds Across the Lifespan
Respond to the following question
The term ‘disposition’ is used in the TedTALK. Refer to the following definition for the word ‘disposition’ as it applies to this topic:
dis·po·si·tion (noun): an inclination or tendency
1. In the TEDTalk, Dr. Danielle Dick, states that ‘Your disposition is not your destiny.’ Explain in your own words what that phrase means to you. I want to acknowledge that this is a complex subject – for your posting for this week, I am simply asking you to share your thoughts on that phrase and what you learned about the influence of genes and the environment on the expression of a person’s dispositions.
From Genes to Addiction: How Risk Unfolds Across the Lifespan.This is the TED Talk to watch