Any eligible individual can contribute to an HSA. For an employee's HSA, the employee, the employee's employer, or both may contribute to the employee's HSA in the same year as long as the aggregate contributions are under the contribution limit. Family members (or any other person) may also make contributions on behalf of an eligible individual.
Bananas provide a source of several essential micronutrients, which are compounds, including vitamins, that your body requires in small amounts each day. Eating a banana boosts your intake of vitamins A, C, E and K, as well as vitamins B-1, -2, -3, -5, -6 and -9.
However, there are some side-effects to eating too many bananas. This includes effects such as sleepiness to nerve damage. Read this article to get a little more information about the harmful effects of eating too many bananas: Eating Too Many Bananas. In short, I would limit yourself to a couple a day. Don't overdo it.