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 Link to ADHD and Obesity. Different studies have hypothesized about the link between obesity and ADHD. One hypothesis is that dopamine comes into play in both conditions, thus linking them together. Researchers Benjamin Charles Campbell and Dan Eisenberg (2007) note that dopamine levels in the brain increase when food is present, even if the person does not eat it.