Exercise: how much is enough?  [electronic resource] 

 -  Health news (Waltham, Mass.)  May 2001 
 - 8 p.  digital 
<br/><br/> Publication Type: News 
<br/><br/><label>ISSN: </label>1081-5880 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Centers for Disease Control and Prevention, U.S.<br/>Exercise<br/>Female<br/>Guidelines as Topic<br/>Humans<br/>Male<br/>United States