It's also the "how". 

 - Philippines:    MIMS Pte Ltd KDN,   c2013.  
 - pages 28:  illustrations;   28 cm. 
<br/><br/> Health today. 
<br/><br/><label>ISSN: </label>01181831  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eating customs.
<br/><br/><label>Dewey Class. No.: </label>DPer 613.05 H34 Jul-Nov 2013