GLOSSARY






Glycemic Index

The glycemic index (GI) is a ranking of carbohydrates on a scale from 0 to 100 according to the extent to which they raise blood sugar levels after eating. Foods with a high GI are those which are rapidly digested and absorbed and result in marked fluctuations in blood sugar levels. Low-GI foods, by virtue of their slow digestion and absorption, produce gradual rises in blood sugar and insulin levels, and have proven benefits for health. Low GI diets have been shown to improve both glucose and lipid levels in people with diabetes (type 1 and type 2). They have benefits for weight control because they help control appetite and delay hunger. Low GI diets also reduce insulin levels and insulin resistance.

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Insulin

Insulin is a naturally occurring hormone secreted by the pancreas. It allows the glucose from the blood stream to get into our body’s cells to give us energy. Without insulin the glucose remains in the bloodstream and cannot give us the energy we need. Many people with diabetes are prescribed insulin, either because their bodies do not produce insulin (type 1 diabetes) or do not use insulin properly (type 2 diabetes).

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Dietition

Dietitians are experts in food and nutrition. They advise people on what to eat in order to lead a healthy lifestyle or achieve a specific health-related goal. Dietitians work in various capacities in the field of healthcare, foodservice, corporate setting, and educational arenas.

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Hypertension

Hypertension is the term used to describe high blood pressure. Blood pressure is a measurement of the force against the walls of your arteries as your heart pumps blood through your body. Blood pressure readings are usually given as two numbers -- for example, 120 over 80 (written as 120/80 mmHg). One or both of these numbers can be too high.

The top number is called the systolic blood pressure, and the bottom number is called the diastolic blood pressure.

•  Normal blood pressure is when your blood pressure is lower than 120/80 mmHg most of the time.

•  High blood pressure (hypertension) is when your blood pressure is 140/90 mmHg or above most of the time.


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