Since this is not my area of expertise, I searched Google under the key words "Lent age" to get these possible sources:
http://www.answers.com/topic/lent
http://answers.yahoo.com/question/index?qid=20090302111758AAsM1Pv
http://www.catholic.com/home/contact.asp
Use find command on some of these for "age".
I hope this helps. Thanks for asking.
Is there a certain age you should be when you give thing up for Lent or should you give something up at any age?
3 answers
Giving up something for Lent is a personal choice. Many families make this a yearly ritual. Other families don't. As individuals begin to understand the meaning of Lenten observances, then they can choose to make a special sacrifice. Many people instead of giving something up, choose to do something special that they would not ordinarily do. The age really doesn't matter so much as knowing why you are making the choice to make a special Lenten observance.
It has been my observation that many folks give up religion during Lent, and regain it Easter, when the church is packed.