To be healthy. . .
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Attempts are made to balance what we know about the nutritional needs of the human body, and what we know about nutrients available in various foods. No one has perfect knowledge of all these things, but there is a lot of good general knowledge about what benefits we can gain from eating a variety of foods. Most of the time, a recommendation to eat a certain amount of a given food is based on the general assumption that the rest of the diet consists of a healthy balance of other foods.
Some foods may be harmful.
There are blood foods because this is how they test an individual for allergies. Some foods are better for you than others and some foods contain allergens to certain people. Without being tested, however, you will not know whether or not you have allergies to certain foods.
Some foods are fortified to replace nutrients, vitamins, or minerals lost during their preparation.Many foods are fortified to increase their sales.
Scientist go to Antarctica as well as some but little amount of tourists
Yes, some foods have a very tiny amount of Mercury.
Although some foods are said to be aphrodisiac, sexual arousal usually takes hormonal influence. Some foods may cause a placebo effect. In other words, if you think they will have a certain effect, they will.
If some foods lower your immune system, then yes certain foods can cause cold sores. When your immune system is lowered by stress or illness then you can get a cold sore.
when one scientist tells another scientist that something is certain length, that measurement should mean the some thing to both of them.
This branch of science is called foods chemistry.
There is no such thing as "common foods". Foods are specific sometimes ot certain regions or areas, and there are so many foods out there. Please be more specific in your question, so WikiAnswers can provide you with the best possible answer.
Here is a useful website. Your cat can eat some of certain foods. Check out the website for a list of foods to avoid and foods that can be fine.http://petdoc.com/story/can-cats-eat-human-foods
Acid reflux is a condition from which some people suffer. It is not found in any food or recipes, but some foods do cause it in certain people. However, these foods vary between individuals.