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There is so much disinformation ("bro-science") in the answers and comments. I will start with answering the question: Yes, a protein shake once a day as meal replacement is completely safe. This shouldn't worry you. Do you need the extra protein? Probably not, unless you actually do resistance training (and for long term health you should) it will do very ...


3

Based on your description this sounds like a very common side stitch (see the wiki entry here: http://en.wikipedia.org/wiki/Side_stitch). As explained in the article (which was informative for me even though I have experienced these off and on when exercising for as long as I can remember) there can be a few factors causing this. For me, it generally ...


3

If you want to win a 5k, walking is a great start, but will probably not get you there on its own. Fast walking will help you build a strong base level of aerobic fitness. Your heart and lungs will develop and improve your capacity for running. After you build this base, your cardiovascular system needs to learn to function efficiently as you approach (or ...


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Sounds possible that you have shin splits http://en.m.wikipedia.org/wiki/Shin_splints They will go away with some time off. This is common with individuals who are new to the level of training that are taking on. My recommendation is to rest for 3 days and start again (rest means you don't have to stop training, just don't do what you have been) As ...


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It is definitely not bad for someone to drink a protein shake without working out. It is very similar to eating a chicken breast that has 35 grams of protein in it. 35 grams of protein is 35 grams of protein, no matter where you get it from. Some proteins are different, such as casein (slow release) and whey (quick release), but it is still protein. As ...


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The human body is a very adaptable machine. In no time at all it can adapt to most any kind of condition it is put through. This is why exercise becomes easier over time. The body becomes more efficient at the particular exercise because it expects it and makes the required changes to perform the exercise. Your body has gotten used to the 30 minute jog ...


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Zoomed out a bit, I'd look at the other 23 hours a day and realize that your 14 minute/mile walk (while certainly better than nothing) isn't really going to have a huge dent on your daily caloric intake. Additionally, a sugar laced mound of carbohydrates doesn't really fit into a solid nutrition plan on a daily basis. That bun, because of the sugar and ...


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If you've seen benefits from it, keep doing it. Regardless of how it compares to other sorts of exercises, if it is working for you, then it is most definitely "valuable exercise". The only point I could attempt to make in support of your friend would be to say that running in place likely will not be as beneficial if you're trying to build up endurance ...


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I'm in the same boat myself. I don't have an authoritative answer to it, but I think it really just boils down to any given form of exercise targets a different form of muscular and cardiovascular exertion and performing a particular set of motions has an aggregate positive effect, but doesn't necessarily apply to the next set of motions. Walking is a ...



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