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In her groundbreaking new book, Dr. Helen Fisher, the chief scientific advisor for Chemistry.com and author of Why We Love identifies the four personality types directed by your brain's chemistry and unveils more about who you are and who you love.

Find out:
• WHY you are attracted to certain people
• WHICH chemicals predispose your brain and your heart
• WHO is the best match for your personality type
• WHAT you should look for in a potential mate
• HOW you can use biology and nature to find real love