Can an individual or group possess the proverbial genetic switches for depression and living in a certain environment express this disorder?

Can an individual or group possess the proverbial genetic switches for depression and living in a certain environment express this disorder?

The development and progression of any disease is a rather complex and intricate process. Western me Show more The development and progression of any disease is a rather complex and intricate process. Western medicine has no contention about offering that many diseases possess a genetic component tied to biology but are recognized now to be influenced by factors beyond the organism. From this does the possibility also exist that disorders like depression may follow this same trajectory? Can an individual or group possess the proverbial genetic switches for depression and living in a certain environment express this disorder?