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Dear catholic.com visitors: This website from Catholic Answers, with all its many resources, is the world's largest source of explanations for Catholic beliefs and practices. A fully independent, lay-run, 501(c)(3) ministry that receives no funding from the institutional Church, we rely entirely on the generosity of everyday people like you to keep this website going with trustworthy , fresh, and relevant content. If everyone visiting this month gave just $1, catholic.com would be fully funded for an entire year. Do you find catholic.com helpful? Please make a gift today. Thank you. Wishing you a blessed Lenten season.

Matthew Hanley

Contributor

Matthew Hanley, M.P.H., was an HIV/AIDS technical advisor for Catholic Relief Services, the international relief and development agency of the Catholic Church in the US, from 2001 to 2008, and is specialized in HIV prevention. He is the author, with Jokin de Irala, of Affirming Love, Avoiding AIDS: What Africa Can Teach the West, recently published by the National Catholic Bioethics Center. He is also a regular contributor to The Catholic Thing: www.thecatholicthing.org.

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