Essay: vegetarianism - healthy or just a trend?

References:

• Wikipedia. N/D ,,Vegetarianism’’. Available at http://en.wikipedia.org/wiki/Vegetarianism Last accessed in March 2011
• Holly Alley. "Vegetarianism". Available at http://www.fcs.uga.edu/pubs/current/FDNS-E-18.html#docuse
• "Vegetarian versus non-vegetarian". Available at http://www.spiritualresearchfoundation.org/articles/id/spiritualresearch/spiritualscience/veg-or-non-veg
• V.O. Ruzov's text about vegetarianism. Translated to estonian. Available at http://www.teaduselust.ee/taimetoitlusest.html