The Importance of Water to Human Health

by Bob McCauley

True health cannot occur without proper hydration of the body. We need to drink half our body weight in ounces minimum each day . For instance, if you weigh 200 lbs, you should consume 100 ounces of water. Every organ in the body heavily depends on water to function properly and to its capacity. We are mostly water. The human body is 69% water. The brain is 85% water, bones 35% water, blood 83% water and the liver 90% water.

Water has traditionally been considered mere packing material that served little purpose other than to give the body its weight and bulk. Medieval thinkers still believe water is there to give the body volume, otherwise it would be nothing but dry chemicals. To this day, the medical establishment sees water as little else, when in fact water serves to energize every cell and organ in the body. It is crucial to every bodily operation and when we become dehydrated, the body instinctively begins to ration water to each organ. The brain, being the most important organ, gets the most water. The skin, being the least important, is rationed the least amount of water. Chronically dry skin and/or dandruff are signs of advanced bodily dehydration , as are asthma and hyperventilation . It is the law of vital adaptation at work; that the body will do what it has to do to survive, which in this case means the most important organs get served first. If the body didn’t do that we would suffer the ill effects of dehydration much more rapidly.

  • 75% of Americans are chronically dehydrated. (Likely applies to half world pop.)
  • In 37% of Americans, the thirst mechanism is so weak that it is often mistaken for hunger.
  • Even MILD dehydration will slow down one’s metabolism as much as 3%.
  • One glass of water deters hunger pangs for 98% of the dieters observed in a University of Washington study.
  • The biggest trigger of daytime fatigue is lack of water.
  • Preliminary research indicates that 8-10 glasses of water a day could significantly ease back and joint pain for up to 80% of sufferers.
  • A mere 2% drop in body water can trigger fuzzy short-term memory, trouble with basic math, and difficulty focusing on the computer screen or on a printed page.
  • Drinking 5 glasses of water daily decreases the risk of colon cancer by 45%, breast cancer by 79%, and develop bladder cancer by 50%.

A person’s minimal water requirements is half their body weight in ounces. For instance, a 200 pound person should drink at least 100 ounces of water.

Dr. Bob’s Blog is not intended as medical advice. The writings and statements on this website have not reviewed and/or approved by the FDA. Our products are not meant to diagnose, treat, cure or prevent any disease. Rather they are meant to demonstrate that aging can be slowed and even reversed and that Great Health achieved when the most fundamental nutritional needs of the human body are met. Always consult a medical doctor or other medical professional when you consider it necessary.
Dr. Bob’s Blog is covered under (47 U.S.C. § 230): “No provider or user of an interactive computer service shall be treated as the publisher or speaker of any information provided by another information content provider”.

About Bob McCauley

Bob McCauley, ND (Robert F., Jr.) was raised in Lansing, Michigan and attended Michigan State University (BA, 1980 in Journalism). He is a naturopathic doctor, Master Herbalist and a Certified Nutritional Consultant. He has traveled extensively, both domestically and abroad, visiting over 32 countries. He published Confessions of a Body Builder: Rejuvenating the Body with Spirulina, Chlorella, Raw Foods and Ionized Water (2000), Achieving Great Health (2005), The Miraculous Properties of Ionized Water, (2006) which is the only book on the market that exclusively addresses Ionized Water, Twelve (Fiction, 2007) and Honoring the Temple of God (2008). He considers himself a Naturalist, meaning he pursues health in the most natural way possible. He studies and promotes nature as the only way to true health. From 2002-2004 he hosted the radio program Achieving Great Health, which was heard by thousands of people each day. His guests included some of the most well-known and respected names in the natural health world. With the help of his father, Dr. Robert F. McCauley, Sr. (Doctorate in Environmental Engineering, MIT, 1953) they started Spartan Water Company in 1992, which sold vended water machines in supermarkets. Robert Jr. founded Spartan Enterprises, Inc. in 1993. He is a Certified Water Technician with the State of Michigan. He is also a Type II Public Water Supply Specialist and has the certifications of S-5 and D-5. The McCauley family has a long history in the water industry. Bob's father pioneered environmental issues regarding ground water and drinking water quality. He received his Ph.D. from the Massachusetts Institute of Technology (MIT) in 1953 for his thesis on removing radioactive strontium from water. He earned his doctorate in Environmental Engineering in less than 2 years, one of the shortest doctoral studies in the history of MIT. He taught civil, sanitary and environmental engineering at Michigan State University for 18 years before retiring to run Wolverine Engineers & Surveyors of Mason, Michigan, for 17 years. His reputation throughout Michigan as a water quality expert was legendary. Bob worked for his father's company for 12 years learning the water business, which dealt primarily with municipalities, including water quality and sanitary sewer issues. After apprenticing with his father, Bob moved on to the bottled water business. He established greater Michigan's biggest selling bottled water: Michigan Mineral – Premium Natural Water. He was introduced to Ionized Water in 1995 and has done more to promote Ionized Water than anyone else in the industry. Bob often lectures and offers seminars on his Seven Component Natural Health Protocol . Bob is a Certified Nutritional Consultant and a Certified Master Herbalist. He is also a 3rd Degree Black Belt and Certified Instructor of Songahm Taekwondo (American Taekwondo Association).
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36 Responses to The Importance of Water to Human Health

  1. Alec says:

    Helped alot with my science homework, THANKS!

  2. Anwar says:

    Its Really helpfull

  3. Trey says:

    This helps, but i think before you tell all the details, you should just write the specific definition. For example the importance of water is ‘Blank” I think that would help even more and would be easier or the readers part.

  4. Sintu says:

    Helped a lot for my learning support research…tks

  5. rammy says:

    it is very helpful to the students for their purpose in studies and all…………………………… I thank this waterseh wellness centre

  6. rammy says:

    it is very helpful to the students for their purpose in studies and all……………………………..

  7. stella says:

    thanks for the lecture'”the importance of water” but, i will like to know, does water contribute to weight gain?

  8. chilo says:

    it helps me for my research paper . .thankzzz

  9. prashanta says:

    thanks, it is really useful & helpful.

  10. My name is Jim C Web Marketing Consultant. Ive greatly enjoyed looking through your site and I was wondering if you’d be interested in exchanging links with my website, which has a related subject. I can

  11. This is a good blog. Keep up all the work. I too love to blog. This is great everyone sharing opinions

  12. ventris says:

    does water help a lt in wight loss, and if yes, how many bottles should be drank daily?? thanks

  13. Thanks for the article and for creating a good site. I have been searching for reliable info on natural health and will put this information to use. I have found it difficult to find reliable recommendations, as there are so many web sites with junk information. Certainly keep the good information flowing!

  14. We also recommend exactly the same with our clients. water is such an important part of any healthy regime. Well done.

  15. MOSES OBADEYI says:

    Your posted materials are always very good. As a paramedics, I enjoy materials on health and related issues.This one on water is exceptional.
    I stand to also say that “water is Life”. I long to receive more on my mail. Thanks.

  16. Jossy says:

    A nice piece. Does water add to weight gain?

  17. Therefore we should not let our body get dehydrated and drink more water that can also help reduce certain types of diseases.

  18. Thanks Bob . . . this really reinforced much what I’ve been hearing and learning and your writing helped make it much clearer to me. It is so interesting that we have all been programed and conditioned to think that we need to eat first, stay hydrated later – hmmm – I heard this lately: Air, Water, Food. That’s what our bodies need . . . in that order! Thanks!

  19. Razwell says:

    Hello, Bob.

    Mark Sisson says that 8 glasses a day of water is complete nonsense. Is he a scammer? Or does he have an agenda?

    I agree with your post. it seems to be that Mark Sisson is either a fraud or a crackpot.

    What is your opinion?

    Take care,


  20. “every superwoman needs a superman…here I am ”

  21. lavorn says:

    great article, but from my understanding water does not increase weight gain, only the opposite, water reduces caloric intake, and a person can lose a considerable amount of weight by drinking water before meals, and it does this because water has no caloric value

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  23. YUSUF ABUBAKAR says:

    it realy helps my wife assignment thanks alot

  24. annie says:

    water is life

  25. abigail smith says:

    it didn’t really help cause it just didn’t really help.

  26. Pingback: We.Are.Water. « Live, Love, SWEAT

  27. Charity kere. says:

    Nice job,cos it really help me in my research work.

  28. Aba Ankomah says:

    I just started taken in H2o every morning around 5:30,but during the day I hardly drink 1500ml of water.Pls advice me on how I should go about it.

  29. Pingback: Water vs Soda – The Health Benefits of Drinking Water

  30. Mr. B says:

    Wait just a second here people. First I’m saying this more out of concern for the people posting comments that seem to be using this article for reserch. This article posted by Mr. McCauley sounds great but where is he getting his information? There is only one cited source from what I can tell.
    I’m not trying to troll or start any squabbles from my post. My concern is, what backs up any of these claims. Obviosly drinking water is good for you and not drinking water is bad, but saying a 2% drop can cause “fuzzy memory” and then not showing how he came to this conclusion hardly salitifiys any of this as FACTS. I could tell you drinking water also cures athletes foot as well but what do you have to base what I’m saying as any kinda of truth? In-point, you don’t unless I gave you that cited or researched information.
    If the research was done for this article posted, then great, awesome stuff Bob. Just please let us know what your basing this off of. For those who read this comment, use caution when reading anything online when using it as research or health tips and nothing is given as to how the information came to be.

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  34. Johnk99 says:

    This web site really has all the information and facts I wanted about this subject and didn’t know who to ask. gcedfdeecgkd

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