My mother, a Registered Dietitian, made a good point about my last post on fasting. Here's what you should know:
While it was requested by Our Lady, for the conversion of sinners and unbelievers, it is not for everyone. If you are sick, physically infirm, or have a medical condition requiring important nutritional balances, you should not in any way feel guilty for not fasting.
Read here to see what Our Lady said about fasting.
If you're unsure if fasting is for you, I think the obvious answer is pray about it and you will know!