The neck-down health benefits of walking are well established, but how about above the neck? Studies show that the extra blood flow from aerobic exercise can positively affect your literal, as well as your figurative, heart. For example, walking can:

• Relieve stress. It lessens muscle tension and is a physical outlet for stress, which in turn improves your mood and promotes a positive mental outlook.

• Reduce depression and anxiety. Routine exercise 3 times a week or more acts as a mood elevator and is often prescribed for anxiety. One study showed exercise was as effective as psychotherapy at relieving moderate depression.

• Defuse arguments. The next time you feel hackles rise, try walking and talking. Many people find resolving conflict easier when both people are occupied with moving.

• Induce sleep. Regular exercise leads to sounder sleep. Being well rested helps you make better decisions and solve problems more efficiently, which means a more content you.