Nutrition

Our bodies are literally made from the food we eat, which also provides the energy that every cell needs to live and do its job. Good nutrition can help you to live a longer active life and reduce your risk for serious health problems.

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The Fatty Acid Motel

The Fatty Acid Motel

Whether a fatty acid chain is saturated or unsaturated makes a big difference in the ways in which it can participate in chemical reactions and be used as building blocks in the body.
How Does My Liver Get Fat?

How Does My Liver Get Fat?

The liver is a workhorse, but that doesn’t mean it can’t get overworked. When it does, that can be a serious problem. There are three primary ways it generally happens.
Just How Bad Is All That Sugar for Your Heart?

Just How Bad Is All That Sugar for Your Heart?

When we eat sugar in its simplest form, such as sucrose (a combination of a glucose and fructose molecule), there is no chain to break down. So instead, a flood of sugar is released into the bloodstream all at once. We often feel this as an energy rush.
Storing Energy

Storing Energy

Fortunately, fat is not the only fuel in your body that can be saved for later use. So can glucose, and when glucose is stored it is packed tightly into a branched structure of connected glucose molecules that’s called glycogen.
Ketosis

Ketosis

True or False: When you achieve a state of ketosis on a ketogenic diet, your brain is being fueled by ketones instead of glucose. 
Are Health Claims Reliable for Food Selection?

Are Health Claims Reliable for Food Selection?

All health claims are supposed to be based on what is deemed “substantial” evidence, but even when there is such evidence it doesn’t necessarily mean that a given food is a healthy choice for an individual.
Keto

Keto

When you’re on a low carbohydrate, high fat diet, the amount of ketones being generated increases to a level that is usually described as a state of ketosis (keto = ketones, osis = a condition).
Blood Sugar Averaging

Blood Sugar Averaging

There is a test for average blood glucose over a period of time, because glucose tends to get stuck to certain molecules in your red blood cells (those molecules are called hemoglobin, and their job is to carry oxygen).
Should You Avoid Saturated Fat?

Should You Avoid Saturated Fat?

Two comprehensive studies concluded that replacing saturated fat with polyunsaturated fat or high-fibercarbohydrates is likely to reduce the risk of heart disease.
Calories in Context

Calories in Context

True or False?: Calories measure the energy in the food you eat.