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Graph depicting blood sugar change during a day with three meals. The glycemic (glycaemic) index (GI; / ɡ l aɪ ˈ s iː m ɪ k / [1]) is a number from 0 to 100 assigned to a food, with pure glucose arbitrarily given the value of 100, which represents the relative rise in the blood glucose level two hours after consuming that food. [2]
Whereas glycemic index is defined for each type of food, glycemic load can be calculated for any size serving of a food, an entire meal, or an entire day's meals. Glycemic load of a 100 g serving of food can be calculated as its carbohydrate content measured in grams (g), multiplied by the food's GI, and divided by 100.
It compares available carbohydrates gram-for-gram in foods to provide a numerical, evidence-based index of postprandial (post-meal) blood sugar level. The concept was introduced in 1981. [1] The glycemic load of food is a number which estimates how much a food will raise a person's blood glucose level. [citation needed]
The glycemic index (GI) is an indicator of how great an impact a food has on blood sugar and insulin. On a scale of 1-100: Foods with a high impact (are digested quicker) have a score of 70 or higher.
The insulin index of food represents how much it elevates the concentration of insulin in the blood during the two-hour period after the food is ingested. The index is similar to the glycemic index (GI) and glycemic load (GL), but rather than relying on blood glucose levels, the Insulin Index is based upon blood insulin levels.
Lowering the glycemic index of one's diet may improve the control of diabetes. [19] [20] This includes avoidance of such foods as potatoes cooked in certain ways (i.e.: boiled and mashed potatoes are higher GI than fried) and bread. [21]
Body roundness index (BRI) is a calculated geometric index used to quantify an aspect of a person's individual body shape. Based on the principle of body eccentricity, it provides a rapid visual and anthropometric tool for health evaluation. [1] Introduced in 2013, the BRI calculation can be used to estimate total and visceral body fat.
The James P. Kelly Stock Index From January 2008 to December 2012, if you bought shares in companies when James P. Kelly joined the board, and sold them when he left, you would have a -16.1 percent return on your investment, compared to a -2.8 percent return from the S&P 500.