GM Insulin and diabetes

Excerpt from a posting of mine:

In a debate on GM food, a speaker mentioned that a woman in London
taking synthetic insulin was having unspecified medical problems. Her
unnamed doctor switched her to bovine insulin and she recovered. He
prefaced this with the statement that he did not know what this meant
which led to my responding by asking why then did he bring it up. If
one thought about it, something that anti-GM believers and other
ideologues are not supposed to do, his comment made absolutely no
sense statistically or scientifically. One case, even if correctly
reported proves absolutely nothing as there could be a multiplicity
of other confounding factors involved and the speaker himself began
the debate on GM food asking that we exclude pharmaceuticals. So why
did he bring it up?
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I received this reply to my posting above:

He probably brought it up because "the public will always believe a simple
lie rather than a complex truth" (Alexis, Comte de Tocqueville, 1885-1959)

Indeed, every time someone brings up this old argument re GM insulin versus
non-GM, send them to a diabetic who understands the history of their
diabetic management.

As a type-1 diabetic since 1961, I've experienced both types of insulin. GM
is better for all because:

1) Only with GM insulin is it possible to maintain the best blood sugar
control and thus avoid complications in later life. (Non GM insulin meant
restriction to just one injection a day, hence only one opportunity to
control and correct blood sugars. Too high for too long and ultimately the
arteries disintegrate)

2) In the pre-GM insulin days, the current tight control of blood sugar (4 -
9 mml) was much higher than it is today. (If today's standards of blood
sugar control had been adopted in the pre-1980s, the same sudden low-blood
sugar reactions that can be fatally experienced today would also have been
suffered then by some)

3) Some students especially, who are normally stable diabetics, and who
sadly may  have died when asleep in the night due to apparently very severe
"hypos", have actually drunk too much alcohol and eaten insufficiently
during the evening (in diabetics, alcohol causes blood sugar to fall quicker
than normal, and if you're drunk, you don't wake up in time to take some
glucose to reverse the problem. No parent will admit to that)

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I received further information about the author of the above note to
me from C.S. Prakash:

In this context, I must tell you more on the author's personal
struggles with diabetes since 1961, as it is very poignant. He
recently got both of his legs amputated due to long-term
complications with diabetes. He is my hero because he is still
exuberant as always, and keeps very active despite his health issues.
I say this because couple of months ago after his second leg
amputation, the author said that if he had had GM insulin in 1960s,
he would still have his legs today.  So to those individuals who
oppose advances in genetic technologies, his support for GM arises
from a deep intellectual understanding of the scientific issues and a
personal experience which adds a vital dimension to his
understanding. Unfortunately those who organize to oppose GM food and
pharmaceuticals have neither the scientific knowledge or the personal
experience of hunger and disease that makes GM such a vital necessity.

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I received further clarification on this alleged event that created
the "urban legend":

It was a  newspaper account of a rather questionable anecdote in a
British newspaper involving a woman with a diabetic husband. He
switched from bovine insulin to GM insulin and began beating her. His
rages subsided after switching back to the bovine stuff. That is how
it was first told, and the story has suffered from the retelling. It
probably suffered in the first telling. There was no mention of
possible interventions by law enforcement authorities, etc., which
given her description of his behavior was highly likely. The story
was, however, portrayed as vindication of the evils of unknown etc. of GM.