The more products that a customer has with Wells Fargo, the more information the bank has on that customer, allowing for better decisions about credit, products, and pricing. Customers with multiple products are also significantly more profitable (see Exhibit 2, available in the complete publication here).
If an antidepressant increases serotonin concentrations, side effects can include nausea, changes in appetite and sexual dysfunction. Bupropion is an antidepressant that doesnât increase serotonin concentrations, but does increase levels of norepinephrine and dopamine.
Dopamine also helps regulate movement and emotional responses, and it enables us not only to see rewards, but to take action to move toward them. Dopamine deficiency results in Parkinson's Disease, and people with low dopamine activity may be more prone to addiction.