What are the health benefits of walking for exercise?

Context: Regular, brisk exercise of any kind can improve confidence, stamina, energy, weight control and life expectancy and reduces stress. It can also decrease the risk of coronary heart disease, strokes, diabetes, high blood pressure, bowel cancer and osteoporosis. Scientific studies have also shown that walking, besides its physical benefits, is also beneficial for the mind, improving memory skills, learning ability, concentration, mood, creativity, and abstract reasoning. Sustained walking sessions for a minimum period of thirty to sixty minutes a day, five days a week, with the correct walking posture, reduce health risks and have various overall health benefits, such as reducing the chances of cancer, type 2 diabetes, heart disease, anxiety disorder and depression. Life expectancy is also increased even for individuals suffering from obesity or high blood pressure. Walking also improves bone health, especially strengthening the hip bone, and lowering the harmful low-density lipoprotein cholesterol, and raising the useful high-density lipoprotein cholesterol. Studies have found that walking may also help prevent dementia and Alzheimer's.

Answer: Walking daily, as little as 30 minutes a day, provides several physical and mental benefits.  It can lower stress, is beneficial for the mind and reduces several health risks.