Calorie Restriction Increases Healthspan

Calorie restriction diet Costa Rica
Calorie Restriction Increases Healthspan

Calorie Restiction for Anti-Aging and Healthspan

Pennington Biomedical’s CALERIE 2 Assessment.

The new study used data gathered by Pennington Biomedical’s CALERIE 2 (Comprehensive Assessment of the Long-Term Effects of Reducing Intake of Energy). This is the longest calorie restriction trial observed in humans to date. The new study is published in the journal Science:

Calorie Restriction Rewires Metabolism, Immunity for Longer Health Span.

Overview of the Pennington Biomedical Assessment of Calorie Restiction and Increased Healthspan.

The new study used data gathered by Pennington Biomedical’s CALERIE 2 (Comprehensive Assessment of the Long-Term Effects of Reducing Intake of Energy). This is the longest calorie restriction trial observed in humans to date. The new study is published in the journal Science: Calorie Restriction Rewires Metabolism, Immunity for Longer Health Span.

Two years of calorie restriction reprogrammed cellular pathways in the body. The results showed improved metabolic and immune responses associated with increased lifespan and health span.

The study found that people who cut their calorie intake by about 14 percent over two years generated more T cells, which play a key role in immune function and slow the aging process.

“As people age, their thymuses shrink and produce fewer T cells. As a result, older people have a harder time fighting off infections and certain cancers,” said Eric Ravussin, Ph.D., Associate Executive Director for Clinical Science at Pennington Biomedical Research Center. “Calorie restriction helps prevent the thymus from shrinking so the person generates more T cells.”

In addition to improving immunity, an increase in T cells is associated with an improved ability to burn stores of fatty acids for energy, Dr. Ravussin said. That’s important because if a person doesn’t burn this fuel, the fat may build up in organs such as the muscle and liver, leading to insulin resistance, obesity, type 2 diabetes, and aging.

The study had another important finding: a potential treatment to reduce age-related inflammation and improve metabolic health.

Studies have shown that restricting calories by 40 percent in rodents extended their lives. But there were trade-offs in growth, reproduction, and immunity.

However, calorie restriction also reduces the levels of gene encoding platelet-activating factor acetyl hydrolase (PLA2G7). Reducing PLA2G7 produces health benefits that include lowering age-related inflammation and improving metabolic health.

“If researchers can find a way to harness PLA2G7, they could create a treatment to extend a person’s healthspan, the time an individual experiences good health,” said Pennington Biomedical Executive Director John Kirwan, Ph.D.

This research was supported in part by the National Institutes of Health under awards AG031797, AG045712, P01AG051459, and AR070811 to V.D.D.); the Glenn Foundation for Medical Research (V.D.D.); Cure Alzheimer’s Fund (V.D.D.); and the Aging Biology Foundation (M.N.A.). The CALERIE study was funded by the National Institute on Aging under awards U01AG022132, U01AG020478, U01AG020487, and U01AG020480. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

This article should not be construed as medical advice. Please talk to a medical professional prior to modifying your wellness routine.

Dr Jeff Ugalde Anti-Aging Costa Rica at Momentum

Jeff Ugalde, M.D.

Medical Director

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