She was always at him about his lack of exercise.

That's because lack of exercise is a major risk factor for bone loss.

One major cause for chronic disease is lack of exercise.

His health suffered from lack of fresh air and exercise.

There will also be additional health problems associated with lack of exercise.

Personal lifestyle changes however can correct the lack of physical exercise.

A lack of exercise can lead to problems with obesity and high blood pressure.

Finally, lack of exercise is also a risk factor for heart disease but it's relatively small when compared with the others.

I went right to sleep that night, being pretty tired despite the lack of exercise.

It was either the lack of exercise or the peanuts.