The epidemiological association between migraine and mood disorders has been reported since mid-twentieth century. This monograph describes one of the first studies into migraine\"\"s association with bipolar disorder....

In this book you will find new approaches regarding skin care in which a most widely used green tea is explored for skin care. Green tea is used as beverage by millions of people but a little is know about its topical applications....

The concepts of fuzzy sets and interval valued fuzzy sets introduced by Zadeh are very useful tools to describe situations in which the data are imprecise or vague. The use of fuzziness in algebraic structures were initiated by Rosenfeld and he defined fuzzy groups. J. Ahsen initiated the study of fuzzy semirings....