Are there lifestyle changes that really make getting high potassium less likely?

Changes: Indeed there are. 1.Inrease exercise 2.Consume less bananas oranges and nuts .Drink more water.

Absolutely: Yes. Avoiding certain foods or limiting intake of orange juice, bananas , tomatoes as well as avoiding salt substitutes which are frequently high in potassium. A dietician can be very helpful in this regard. You also need to investigate why you are prone to high potassium and your doctor can help exclude kidney problems which is a frequent cause.

Dietary restriction: You should avoid foods high in potassium such as bananas oranges potatoes. Also avoid salt substitutes and sea salt which actually contain increased amounts of potassium.

Depends on cause: A healthy person is not likely to develop pathologically high potassium from usual diet. High potassium levels are almost always symptomatic of other disease, e.g.. Renal failure, uncontrolled diabetes, life style changes may be helpful, however, it is far more important to treat the underlying illness.