Use food, 90 year old, 40 year type 2, diabetic, whole foods, vegetables, meat, fish, fruit, fresh frozen, grains, stop eating package, foods because of all the additives. Colon cancer has increased fothe last 30 years, why.

This an AI summary but only useful as a jumping off point as AI can be unreliable.

"Massive swings" in blood glucose within a single minute are typically caused by technical measurement issues or sudden physiological stress responses. While blood sugar fluctuates naturally, it does not typically change by large amounts in seconds under normal circumstances.
1. Potential Measurement Issues
If you see a drastic change on a monitoring device within 60 seconds, it is often a false reading:
Sensor Errors: Continuous Glucose Monitors (CGMs) measure interstitial fluid, not blood. Temporary pressure on the sensor (like lying on it) can cause a "compression low," showing a massive drop that isn't real.
Contamination: If using a finger-prick meter, residue from food, fruit juice, or lotions on your skin can cause an erroneously high reading.
Dehydration: Severe dehydration can concentrate the blood, leading to sudden spikes or inaccurate readings.
2. Physiological Triggers for Rapid Change
While true 60-second swings are rare, some factors can trigger very fast shifts (usually over several minutes):
Adrenaline Rush: Intense stress, pain, or "fight or flight" situations trigger the liver to dump stored glucose into the bloodstream almost immediately to provide energy.
Intense Exercise: High-intensity activities like sprinting or lifting heavy weights can cause a sharp, rapid spike as the body over-releases fuel for the muscles.
Severe Hypoglycemia Treatment: Consuming "fast-acting" sugars (like glucose tablets or soda) to treat a low can cause levels to climb rapidly once the sugar enters the bloodstream.
3. Medical Conditions
Frequent and severe swings are often referred to as Glycemic Variability:
Brittle Diabetes: Also known as labile diabetes, this is a rare form of Type 1 diabetes where blood sugar levels are extremely unstable and difficult to manage, leading to frequent highs and lows.
Reactive Hypoglycemia: A condition where the body over-secretes insulin after a meal, causing a rapid "crash" shortly after eating.
When to Seek Emergency Care
Go to the ER immediately if you experience massive swings accompanied by:
Confusion or loss of consciousness (signs of severe hypoglycemia).
Blood sugar over 600 mg/dL (sign of Hyperosmolar Hyperglycemic Syndrome).
Nausea, vomiting, or fruity-smelling breath (signs of Diabetic Ketoacidosis).

This is for informational purposes only. For medical advice or a diagnosis, consult a professional. AI responses may include mistakes. Learn more

In my case one blood sugar habbits that actually helps is to avoid and maintain a strong will power not to eat more of sugary foods daily. The devil is always there to tempt you don't yield to him, be an overcomer.

Thanks @A DiabetesTeam Member I have been checking on 2 meters just to be sure! As far as I know, nobody has told me anything as different, but that would be my lab work from December. It’s not easy to see the doctor here takes about a month and a half.

I keep a food journal and record whatever I eat and this gives me a better understanding of foods that work .