“A brisk walk is considered to be moderate activity,” said Rob Musci, an assistant professor of health and human sciences at Loyola Marymount University. On a scale of 1 to 10, moderate exercise is what you would consider being in the 4 to 6 range, Musci said.
Source: Los Angeles Times
Just 5 Minutes a Day of These Exercises Can Sharpen Your Brain as you Age
