As mental health providers, we are often asked by clients about whether what they are dealing with is a result of how they were raised (nurture) or whether it is all just genetic (nature). It is very normal to want to figure out the origin and root of issues, not only to understand how things evolved to be where they are, but also to get to the bottom of things in hopes of fixing it. The short answer to this question, that no one really likes, is that it depends.
There are definitely some conditions and issues that lean much more heavily on the nature side of the fence. This often comes down to the genes we inherited from our family lineage, but can also include our particular biochemistry or physiology. For instance, schizophrenia is a good example of biochemistry gone awry. We have learned through research that there is an imbalance in dopamine that is largely responsible for the hallucinations and delusions that people with schizophrenia suffer. It most cases medication is a necessary treatment to correct this imbalance. Similarly, bipolar disorder is often the result of an imbalance in neurotransmitter that requires a mood stabilizing medication. ADHD is another condition that is more impacted by chemistry and physiology. PET Scans have shown that children and adults with ADHD do not have the sameread more