|CURRENT SCIENCE STUCK WITH PREVENTING DISEASES AND DEATH.....but both are part of non-preventable partaking of kARm-fl mechanism of the cycle of life |
Posted by Champaklal Dajibhai Mistry on March 12, 2009
CURRENT NEW SCIENCE OF LIFE AND DEATH
IN vED CONTEXT
PVAF is publishing this article on this web site to
enlighten YOU about now a days the current knowledge of sciences is showing
humanity how little the humans know about the human body that is the design
of the Creator in whom the current humanity is losing confidence as
Creator and Sustainer.
But the little knowledge the humanity has discovered in
the last 500 years seems to be so awesome to humans that the humans are just
about treating doctors as Gods.....and medical scientists are on the brink
of believing that they can be Gods who will control
LIFE AND DEATH soon...
To get true perspective of the extent of current
knowledge about LIFE AND CREATION we as
a humanity have, one should try to study vED
= SCIENCES OF CREATION AND LIFE...The amount of knowledge in vED
appears to tend to infinity....but the current humanity can start
studying puraan and itihaas texts of vED
to start at kindergarten level in the multi-life quest for
Saying the above, one should start
vED study with good unabridged
translations of original sNskrut
text of bR`Hmaa puraaAN and
pD`m puraaAN and along with
mHaabhaart text.....and continue
to study the rest of the total of 18
mHaa-puraaAN in the sequence recommended by vyaas-muni who is
the author of 18 puraaAN for the
kli-yug vEDik time era in which
we currently exist.....before going to upniSHD,
4-vED and the whole of 18 viDyaa
(sciences) enumerated in vED......
In order to understand the title of this news item YOU can
email your questions on the title as well as the above write-up to
PVAF VED DEPARTMENT
by clicking on the preceding yellow hilite.... and or use the
POST A COMMENT button in the header of
this new item......
Please click on the next line to read what is published here
from MSNBC web site or you can go to MSNBC web site by clicking on the yellow
hilite for each of the two articles on the next page detailing
MECHANISM OF HEART ATTACKS and TAI CHI THE ANCIENT
CHINESE SYSTEM TO MAINTAIN A GOOD HEART.......
THE NEW SCIENCE OF
DOCTORS RETHINK THE NATURE OF
HOW BODY DIES
May 1, 2007: By Jerry Adler: From
Newsweek May 7, 2007 issue -
Consider someone who has just died of a heart attack. His
organs are intact, he hasn't lost blood. All that's happened is his heart
has stopped beating—the definition of "clinical death"—and his brain has
shut down to conserve oxygen. But what has actually died?
As recently as 1993, when Dr. Sherwin Nuland wrote the best seller "How We
Die," the conventional answer was that it was his cells that had died. The
patient couldn't be revived because the tissues of his brain and heart had
suffered irreversible damage from lack of oxygen. This process was
understood to begin after just four or five minutes.
If the patient doesn't
receive cardiopulmonary resuscitation within that time, and if his heart
can't be restarted soon thereafter, he is unlikely to recover. That dogma
went unquestioned until researchers actually looked at oxygen-starved heart
cells under a microscope.
What they saw amazed them, according to Dr. Lance
Becker, an authority on emergency medicine at the University of
Pennsylvania. "After one hour," he says, "we couldn't see evidence the cells
had died. We thought we'd done something wrong." In fact, cells cut off from
their blood supply died only hours later.
But if the cells are still alive, why can't doctors revive someone who has
been dead for an hour? Because once the cells have been without oxygen for
more than five minutes, they die when their oxygen supply is resumed. It was
that "astounding" discovery, Becker says, that led him to his post as the
director of Penn's Center for Resuscitation Science, a newly created
research institute operating on one of medicine's newest frontiers: treating
Biologists are still grappling with the implications of this new view of
cell death—not passive extinguishment, like a candle flickering out when you
cover it with a glass, but an active biochemical event triggered by
"reperfusion," the resumption of oxygen supply.
The research takes them deep
into the machinery of the cell, to the tiny membrane-enclosed structures
known as mitochondria where cellular fuel is oxidized to provide energy.
Mitochondria control the process known as apoptosis, the programmed death of
abnormal cells that is the body's primary defense against cancer. "It looks
to us," says Becker, "as if the cellular surveillance mechanism cannot tell
the difference between a cancer cell and a cell being reperfused with
oxygen. Something throws the switch that makes the cell die."
With this realization came another: that standard emergency-room procedure
has it exactly backward. When someone collapses on the street of cardiac
arrest, if he's lucky he will receive immediate CPR, maintaining circulation
until he can be revived in the hospital. But the rest will have gone 10 or
15 minutes or more without a heartbeat by the time they reach the emergency
department. And then what happens?
"We give them oxygen," Becker says. "We
jolt the heart with the paddles, we pump in epinephrine to force it to beat,
so it's taking up more oxygen." Blood-starved heart muscle is suddenly
flooded with oxygen, precisely the situation that leads to cell death.
Instead, Becker says, we should aim to reduce oxygen uptake, slow metabolism
and adjust the blood chemistry for gradual and safe reperfusion.
Researchers are still working out how best to do this. A study at four
hospitals, published last year by the University of California, showed a
remarkable rate of success in treating sudden cardiac arrest with an
approach that involved, among other things, a "cardioplegic" blood infusion
to keep the heart in a state of suspended animation. Patients were put on a
heart-lung bypass machine to maintain circulation to the brain until the
heart could be safely restarted.
The study involved just 34 patients, but 80
percent of them were discharged from the hospital alive. In one study of
traditional methods, the figure was about 15 percent.
Becker also endorses hypothermia—lowering body temperature from 37 to 33
degrees Celsius—which appears to slow the chemical reactions touched off by
reperfusion. He has developed an injectable slurry of salt and ice to cool
the blood quickly that he hopes to make part of the standard
"In an emergency department, you work like mad for
half an hour on someone whose heart stopped, and finally someone says, 'I
don't think we're going to get this guy back,' and then you just stop,"
Becker says. The body on the cart is dead, but its trillions of cells are
all still alive. Becker wants to resolve that paradox in favor of life.
© 2007 Newsweek, Inc. | Subscribe to Newsweek
Tai chi: An ancient art that helps the heart
By Harvard Health
Straight Up: Don't Be a Slouch
Sunscreens: New wave in sun protection: Blocking ultraviolet A
Selenium and prostate cancer
More on Heart & Cardio on MSN Health & Fitness
The easy exercises and deep breathing of this Chinese martial art could
offer excellent self-defense for the damaged or failing heart.
Tai chi, a gentle exercise that combines simple, flowing movements with deep
breathing, has piqued the interest of medical researchers. Several studies
suggest that this ancient Chinese practice offers a safe, helpful form of
exercise for the elderly and people with chronic health problems. We’re
learning that it could be just the thing for people with heart failure.
Exercise poses a special challenge for many people with heart failure, whose
damaged hearts can’t deliver enough oxygen-rich blood to their muscles and
organs. The resulting weakness, fatigue, and shortness of breath make
exertion difficult. Avoiding exercise further weakens the body and makes
daily activities even more difficult.
Traditional forms of exercise, such as walking on a treadmill or riding a
stationary bike, often help. But they can sometimes worsen heart failure and
may cause minor aches and pains. An easy, low-impact exercise routine such
as tai chi may provide just the right balance.
How tai chi might help
To test this idea, Harvard Medical School researchers teamed up with experts
from the New England School of Acupuncture in Watertown, Mass. They
recruited 30 men and women with stable heart failure. All received standard
care. Half also took an hour-long class that met twice a week to learn and
practice tai chi.
After three months, the people who were doing tai chi were able to walk
further without getting breathless and reported better quality of life than
those who didn’t take the class. They also had lower levels of B-type
natriuretic peptide (BNP). This blood-borne substance rises as heart failure
worsens, so lower levels are a good sign.
What might explain these benefits? Practitioners of traditional Chinese
medicine would say that "moving meditation," as tai chi is sometimes called,
generates the body’s natural energy, known as chi or qi. Practicing tai
chi’s graceful movements, with names drawn from nature such as "Wave Hands
Like Clouds" or "Grasping the Sparrow’s Tail", is supposed to balance the
two opposing life forces — yin and yang — that are needed to restore and
There are more prosaic explanations. The style of tai chi the volunteers
practiced requires a wide stance with a slight bend in the knees and slow,
steady motions. This could have strengthened leg muscles, which would
account for the improvements in walking and daily activities.
The deep breathing component of tai chi may also help. In previous
experiments, slow, yoga-like breathing for an hour a day raised blood oxygen
levels and eased breathlessness, which allowed people with heart failure to
be more active without symptoms. The drop in BNP levels among those who
practiced tai chi suggests that their hearts were filling with blood more
effectively, although it isn’t clear why this happened.uses.
Tai chi combines intense mental focus with deliberate, graceful movements
that can improve strength, agility, and balance. Each of the many tai chi
"forms" involves a series of movements. Grasping the Sparrow’s tail begins
with motionless relaxed breathing, followed by smooth turns and slow,
precise movements of the arms, hands, and legs. The forward and backward
motions give the impression of playing a tugging game with a bird.
It is also possible that the improvements had little to do with tai chi
itself but instead came from the extra social contact that those doing the
exercises had with both health care personnel and fellow heart failure
sufferers. This may have boosted their spirits and made them feel better,
according to an editorial that accompanied the report, which appeared in the
Oct. 15, 2004, American Journal of Medicine.
A similar Summer 2005 study involving 150 people with heart failure may
provide a more detailed picture. In the meantime, tai chi appears to be a
good way for people with heart failure to exercise without overdoing it.
Grasp your own sparrow
Many health clubs, schools, senior centers, and recreational facilities
offer tai chi classes. You don’t need any special equipment, just
comfortable shoes and clothes that don’t bind the waist or chest. Once
you’ve learned a form or two, you can do tai chi at home or anywhere else.
If you have heart failure, check with your doctor before starting, just to
be on the safe side.
Last Updated: 02/05
Copyright (c) 2006 by the Presidents and Fellows of Harvard College. Used
with permission of StayWell. All rights reserved. Harvard Medical School
does not approve or endorse any products on the page. Harvard is the sole
creator of its editorial content, and that advertisers are not allowed to
influence the language or images Harvard
There are 0 additional comments.
Send your news items
to be posted to email@example.com.