Karim Khan talks to Steven Blair, professor at the Arnold School of Public Health, South Carolina. Professor Blair discusses the wealth of evidence he’s built up on the benefits of exercise, why physical inactivity is a bigger problem than obesity, and how much and of what we should all be doing.

0.51 Why physical inactivity is a greater health problem than obesity

3.20 Why physical inactivity is an important factor in causing the obesity epidemic

6.18 How the World Health Organisation is waking up to the fact physical inactivity is a major health problem

8.47 The impact of genetic makeup on the benefits gained from physical activity

10.44 The benefits of physical activity in those over 60

11.52 How much and of what sort of exercise should we be doing to get the benefits?

See also:

Physical inactivity: the biggest public health problem of the 21st century http://bit.ly/11yeqrJ

Relationship between low cardiorespiratory fitness and mortality in normal-weight, overweight, and obese men http://bit.ly/10vSKQ4

Changes in Physical Fitness and All-Cause Mortality http://bit.ly/XT6yQS

Physical Fitness and All-Cause Mortality http://bit.ly/Zl6gEo

WHO Global status report on noncommunicable diseases 2010 http://bit.ly/i5ZiVf

Effects of physical inactivity and obesity on morbidity and mortality: current evidence and research issues http://bit.ly/XT6HDM

Is physical activity or physical fitness more important in defining health benefits? http://bit.ly/17UmOFe

How Much Physical Activity is Good for Health? http://bit.ly/10vT29B