GRUNDY CENTER- Studies have shown that walking for 30 minutes a day can improve heart health, help manage weight, strengthen bones and muscles, and boost mental well-being. Furthermore, it helps lower blood pressure, lowers bad cholesterol, and cuts the risk of heart disease, stroke, and type 2 diabetes. The benefits of even a short commitment to movement are clear, and that is why, since 2011, the state of Iowa has sponsored a state-wide campai…