A few days ago I was browsing through an old physiology textbook, the one I used when I was in college, because I was curious to read what they said about diabetes way back then.
The book, Textbook of Medical Physiology, second edition, by Arthur Guyton, was copyright in 1956, more than 50 years ago. And I came across this statement:
"In the early days of treating diabetes it was the tendency to reduce the carbohydrates in the diet so that the insulin requirements would be minimized. This procedure kept the blood sugar level down to normal values and prevented the loss of glucose in the urine, but it did not prevent the abnormalities of fat metabolism. Actually, it exacerbated these. Consequently, there is a tendency at present to allow the patient a normal carbohydrate diet and then to give simultaneously large quantities of insulin to metabolize the carbohydrates. This depresses the rate of fat metabolism and also depresses the high level of blood cholesterol which occurs in diabete...
Everybody does it...or at least that's what I told myself. I'd gotten away with doing it for several months: purposefully letting my blood sugars run high because I hate having lows . I'd developed this bad habit one year ago, during a summer where I was filling all of my free time with mile-long runs to the gym where I'd spend at least an hour weight lifting, taking yoga classes three times a week and jiu-jitsu classes twice a week. That all sounds dandy for a healthy diabetic, but the problem was that I was trying so hard to never go low that I was far too often running a regular 200+ blood sugar. We all know a low blood sugar in the middle of a run or a jiu-jitsu class basically puts a big RED LIGHT on the activity. My other issue was that jiu-jitsu classes were so intense that I was worried I wouldn't be able to feel the low blood sugar symptoms until it was too late, so I compensated in the most unhealthily way: a decent-sized bowl ...
An insulin testis a blood test that measures the amount of insulin, a hormone that regulates blood sugar.
How the test is performed
Blood is drawn from a vein on the inside of the elbow or the back of the hand. The puncture site is cleaned with antiseptic, and an elastic band is placed around the upper arm to apply pressure and restrict blood flow through the vein. This causes veins below the band to fill with blood.
A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. After the blood is drawn, the band is removed to restore circulation. Then, the needle is removed, and the puncture site is covered to stop any bleeding.
For an infant or young child:
The area is cleansed with antiseptic and punctured with a sharp needle or a lancet. The blood may be collected in a pipette (small glass tube), on a slide, onto a test strip, or into a small container. Cotton or a bandage may be applied to the puncture site i...
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