Is breathing heavily a cardio problem?

Semoy — Fri, 04 Apr 2008 10:43:01 +0000

A sportman for some time now has remarked that he is breathing heavily especially at night. Has this anything to do with the cardiovascular system.

How much running is too much?

Semoy — Tue, 01 Apr 2008 02:00:09 +0000

For a 60 year old, is ruuning 6 days a week too much. Up to last year I was doing it ok but since this year I had to reduced it to 3 or 4 dys becuase I am feeling very tired. Can someobody advised?