People used cinnamon for thousands of years, and continue to use it, for reasons that have nothing to do with imagined health benefits other than making the food more enjoyable to eat. I use cloves on a periodic basis, but to the best of my knowledge, I’ve never had a parasite in my life, and wouldn’t treat it with cloves if I did. In other words, my herb and spice drawer has nothing to do with “health” benefits, except the benefit of knowing that Mom goes that little extra mile with the food, to let us know she loves us. The use of herbs and spices to enhance food and therefore to enhance our shared experience at the dinner table is a moral and commendable art, in and of itself.
From the website of the Holy See:
It is unnecessary for the Christian to be concerned about…avoiding imagined defilement through ascetical practices in regard to food and drink (Col 2:20-23). True Christian asceticism consists in the conquering of personal sins (Col 3:5-10) and the practice of love of neighbor in accordance with the standard set by Christ (Col 3:12-16).
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As far as the fake sugar goes, it can be a way for people who need to restrict their caloric intake to stay on the wagon. When it does not have a detrimental effect on health or on the person’s ability to love others, that is a legitimate use.
But again, fake sugar is indeed bad for your health. There are better ways to control caloric intake. There are other healthy things that can be substituted.
Going back to the spices thing, I agree that using spices the way you explained is not morally problematic. I was just pointing out that herbs DO in fact cure various ailments and therefore ARE healthy, whether you are aware of it or not. (By the way, most likely you do have parasites—pretty much everyone does. It’s just part of life.) So your previous argument comparing them to fake sugar did not therefore make sense. Fake sugar is always bad, herbs are always good, in moderation. I don’t think that there can honestly be a way of eating fake sugar “in moderation.” It’s always bad. There’s always an excuse for the person who is completely unaware of all of this, but beyond that, I think fake sugar is one of those foods that shouldn’t be a part of our diets at all. It would be better if it had never been invented. Is it a sin? Maybe, if the person is aware of how toxic it is but just can’t say no… if they just don’t care b/c darn it…they just like the stuff! I think in that case it could be a sin. You are knowingly doing damage to your health, and therefore you will most likely not be able to live as long as God wants and will therefore not be able to fulfill your vocation to the extent that God perhaps wants. That is why I think it could be a sin.
The previous quotations from the Catholic Encyclopedia hits it right on the head.
If you know certain foods contribute to poor health, avoid them. Eating unhealthy foods just because you like them is not moral, IMO. At first I was unsure about this, but the more I think about it, the more sense it makes. If unhealthy foods are all that is available to you, and you need to eat, then you need to eat whatever is available. But when you have a real choice, you need to choose appropriately.
The downside is always ignorance. People especially in this day and age are often under the assumption that certain foods, like coconut oil, for instance, are very unhealthy, when in fact they are quite healthy, if eaten in the right way for the right reasons. If they truly believe that it is unhealthy and therefore avoid it, it is no sin. It’s all about what you know and how you act on that knowledge.