Re: Middle school readiness

Vickie wrote:
On Jul 5, 2:26 pm, Jeff <kidsdoc2...@xxxxxxxxxxx> wrote:
Vickie wrote:
On Jul 5, 12:27 pm, Jeff <kidsdoc2...@xxxxxxxxxxx> wrote:
Interesting.
The thing is, I highly doubt all kids are consuming 8 glasses of water
a day. Some probably none. The pros out way the cons in this case,
in my opinion.
Regulates body temperature
Not true. It lets the body sweat, if needed, more, but that's not the
same thing as saying water regulates the body temp.
Ok, not completely up on thermoregulation-- and sweating is numero uno
in regulating body temp or more accurately hypothalamus.
Actually it is a lot of things, which the hypothalamus helps control.
Blood flow is important, because it carries heat from the center of the
body to the skin (or, in winter, it doesn't). Sweating, of course,
carries away heat. You need water for both.

Great, ok.

But drinking
a cool glass of water helps...... I think??..... a little maybe. Ok -
I might be reaching here.
Actually, does help. Putting something cooler in your body will cool you
down.

Plus, if it feels good, why not?

Yes.

I remember on Cheers, Cliff or Norm recommended hot coffee in the
summer, to open the pores. When asked, "Why do you drink beer?" They
said, "What else are you going to do with it?"

provides lube for joints
That's not true.
What I was going for here was that it removes toxins and wastes, to
help cushion and lubricate joints.
I have not heard of joint problems in people who are dehydrated as a
result of dehydration. This is not accurate, IMHO.

Never heard of it - so it is not accurate?

No, it's not accurate because it is not accurate.


helps blood flow
True.
regulates blood pressure
Not true. Kidneys, adrenal, heart, brain, etc., do this.
Well, kidneys respond in changes to blood pressure.
Kidneys respond to antidiuretic hormone (vasopresson), blood pressure,
adrenalcorticoids, epinephrine and norepinephrine (adrenaline and
noradrenaline), and other hormones, not just blood pressure.

I didn't say *just* blood pressure.

I know, but it was the only one you mentioned.

> Said they respond in changes to
blood pressure.

I wasn't sure what you meant. Blood pressure is important for kidneys (if it isn't high enough, the kidneys won't work at all).

Anyway, it pretty complicated.


If blood pressure
is high, kidneys excrete more water. You need to replenish that.
Also got to dilute that salt intake.
It is not nearly that simple. The kidneys also need to regulate sodium
and potassium levels as well as acid/base balance.

Who said simple? I am not talking about what the kidneys *also* need
to do. I am talking about the relationship between high blood
pressure, kidneys reaction and drinking water.

No one.

Actually, I don't remember if kidneys respond to high blood pressure directly or only through hormones.

keeps body system functioning properly
Which means?
Removing the waste build-up that can slow you down and make you feel
crappy.
Not over hours. You might not feel well on a hot summer's day, but it
isn't because you haven't been drinking enough to get your kidneys peeing.

Anytime, way, or how you can get rid of toxins and waste is a good
thing. Peeing is the natural process in getting read of them.

You know, there are people who will drink their first urine of the day. Personally, I figure if my kidneys have been busy all night making it, I don't want it back. ;-)

I disagree about getting rid of toxins at any time. Like when I am on the bus or train. ;-)

There is a lot of homeopaths and others who talk about getting rid of toxins. The thing is that our bodies are good at getting rid of toxins and toxins don't usually build up to cause us to feel ill or make us sick. This is based on an out-of-date understanding of the body.

Jeff



keeps skin elastic
necessary in digestion and the removal of toxins
Well, true, but that doesn't mean extra water helps.
Once again, never said extra people!
If people do not drink enough water on a semi-daily basis they have a
diminished ability to feel thirst. That is when the dehydration can
set in. I am not advocating drinking 8 glasses daily, just some and
do be able to have it when wanted/needed. And if the middle-schoolers
are at school running hard at recess and studying during class-time,
by lunch they probably will grab whatever they can get and the choice
would probably be juice or soda if they haven't had anything to drink
all day.
But you say your kids would reach for that no matter how much water
they consume. So this then doesn't pertain to you.
I agree. They should have access to water. The best way to determine
that they are drinking enough is that their urine is not too concentrated.
Jeff
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