We are finding out all the time, that almost everything in moderation is good to some degree, but bad in excess.
Just because it was used in food does not neccessarily mean its acceptable or even advisable for consumption. Take for example Aspartame. It was FDA approved. Supposedly a healthier substitute for sugar, and Twenty years on the market has shown that aspartame is a deadly chemical poison that has probably caused more deaths than many wars.
Also there's the Echinicea debate...
http://my.webmd.com/content/article/42/1668_50864.htm - maybe.
http://www.medicalnewstoday.com/medi...hp?newsid=9892 - no
http://cms.psychologytoday.com/artic...01-000035.html - yes
Now I'm not saying Garlic is in the same boat but we should definitely take the garlic debate with a grain of salt. It's definitely refreshing to hear another side of the story.
<plugs ears and starts singing lalalalalalala>