ROBERT McNeil's gentle six week post-operation exercise regime with progression to gym on Tuesday and yoga classes on Wednesday has clearly been worthwhile (""Regular exercise: To do or not to do?

That is the question", The Herald, January23,.

His entertaining discourse will be a hard act to follow.

Stay on the treadmill, Mr McNeil.

The mood-boosting chemicals induced by your reflections brighten these gloomy mornings.

R Russell Smith,

96 Milton Road, Kilbirnie.