The answer is: c, All of the above.
People become skeptical due to the overflowing abundance of scientific evidence that backs more proof with certain treatments. It makes people more comfortable over all if it is more tested. It would help prove theories if people were more skeptical, since they didn't think it would work previously.
Progression, True and cool down
Muscle cramps are often associated with a lack of vitamin B - lacking this vitamin will often be correlated to this occurence; if not directly cause it. This is also the reason why bodybuilders sometimes find themselves cramped up during competitions because they don't take enough vitamins before the competition.
