Manual: In a manual transmission, the problem is not so much the fluid degradation, but rather fluid contamination. This contamination occurs over time as the synchronizers, bearings and gears in the transmission wear out. The resulting metal particles then float around in the lubricant.
A lot of mental illnesses can have a genetic component, yes (eg. depression, bipolar disorder, anxiety, antisocial personality disorder, etc.).
Mental health illnesses are real medical illnesses. Nearly half of all Americans have symptoms of a mental illness at some point in life. So if it happens to you or someone close to you, you are not alone.Even if you take care of your body and mind, there are no guarantees against mental illness. Even experts don't know the exact cause of most mental illnesses.early half of all Americans have symptoms of a mental illness at some point in life. So if it happens to you or someone close to you, you are not alone. Even if you take care of your body and mind, there are no guarantees against mental illness. Even experts don't know the exact cause of most mental illnesses.