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Introduction to Diabetes
Transcript of Introduction to Diabetes
Homeostasis disrupted = disease or illness
Example: Diabetes Introduction to Diabetes Diabetes deals with the production (or failure to produce) the hormone insulin. Do you remember what insulin is for? Insulin is a very Important Protein (hormone) that regulates glucose entering cells. This hormone is created by the Pancreas and controls blood sugar Essentially, insulin allows cells to take in sugar so that they have the energy they need to complete all cellular functions and survive
Lack of insulin function = Diabetes How does diabetes work? We must begin by understanding that there is more than one type of diabetes. Type 1 Diabetes The body does not MAKE enough insulin
Without insulin, cells do not take in the glucose they need for energy. What happens to a cell that does not have enough energy? it sickens and dies What happens to a body full of these cells? Type 2 Diabetes Although cells DO make insulin, their cells are unable to use it properly. This is called insulin resistance. If the cell becomes resistant to insulin it has the same effect as if there was not insulin present; the cells do not take in glucose from the blood. Who Gets Diabetes? 20.6 Million Americans have it!
1 in 250 Americans Insulin-Deficient Diabetes aka Juvenile Diabetes Adult-Onset Diabetes Insulin Resistant Diabetes An individual does not make ENOUGH insulin to function on their own
How do you fix this? can often be fixed with insulin injections An individual makes insulin, but is unable to use it because cells are “overdosed” with it and it is no longer effective
Caffeine…too much of it for too long, and it no longer works. This is basically what happens with insulin in your body. Overexposure to insulin means that it no longer works. Did You Know….
2002 - 171,000,000 known to be diabetic
2030- 371,000,000 expected to be diabetic
2005 – 1 million people died from diabetes Did You Know…
In the U.S.
2002 – 17,702,000 known to be diabetic
2030 – 30,317,000 expected
1/3 of adults do not know they have it
Many only find out after serious medical problems send them to the hospital…
2002 - $132 billion health care cost
2000-2005 – age of onset getting younger
It used to be unusual for teens to develop type 2 diabetes…now it happens all the time. Why? Better treatments
Knowledge of ways to prevent the disease for those at risk
Proactive early intervention techniques
But: There is no cure.
Yet! Understanding Diabetes
Look at role of:
Blood sugar concentration
Insulin The Good News The Bad News Did You Know...
50% of Diabetics will have heart disease
12% of diabetics will suffer serious vision loss early on in their disease
75% of diabetics will suffer serious vision loss after 15 years
1/10 of US health care dollars are spent to treat diabetes anyone can get it! That is what Unit 3 is about!