Category Archives for Antioxidants

The Downside of Antioxidants

Free radicals and antioxidants Antioxidants are natural or chemical substances that quench free radicals and therefore, in theory, prevent damage to cells, improve health, and fight aging. The most well-known

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Carbohydrate restriction may increase lifespan

Carbohydrates are essentially just long chains of glucose molecules strung together. Glucose is a sugar, which requires insulin in order to be taken up by cells. When carbohydrates are metabolized (digested),

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New study finds that antioxidants hamper exercise adaptation

A number of studies have found that taking antioxidant vitamins, namely vitamins C and E, hampers or blocks the physiological adaptation to exercise. However, other studies have not, so we have a state

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Why these depression treatments don’t get more notice

Because they’re cheap, easy, and safe is the short answer – especially cheap, which means no profit. Hence, no promotion or notice. Take a look at some recent papers by Michael Maes (et al.),

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Exercise is an antioxidant

Moderate exercise is an antioxidant: Upregulation of antioxidant genes by training Exercise causes oxidative stress only when exhaustive. Strenuous exercise causes oxidation of glutathione, release of

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Normal adaptations to exercise despite protection against oxidative stress

Normal adaptations to exercise despite protection against oxidative stress. Higashida K, Kim SH, Higuchi M, Holloszy JO, Han DH.SourceDivision of Geriatrics and Nutritional Sciences, Washington University

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Normal adaptations to exercise despite protection against oxidative stress

Important paper which provides strong evidence against the hypothesis that antioxidants, such as vitamins C and E, block the physiological adaptations to exercise. These adaptations include greater insulin

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Antioxidants and Skeletal Muscle Performance: “Common Knowledge” vs. Experimental Evidence

Antioxidants and Skeletal Muscle Performance: “Common Knowledge” vs. Experimental Evidence Antioxidants are assumed to provide numerous benefits, including better health, a reduced rate of aging, and

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Superoxide and Longevity

A Mitochondrial Superoxide Signal Triggers Increased Longevity in Caenorhabditis elegans Author Summary Top An unequivocal demonstration that mitochondria are important for lifespan comes from studies

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Effect of antioxidant supplementation on insulin sensitivity in response to endurance exercise training

Effect of antioxidant supplementation on insulin sensitivity in response to endurance exercise training Abstract While production of reactive oxygen and nitrogen species (RONS) is associated with some

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Oxidative Stress in Schizophrenia

Oxidative stress in schizophrenia: an integrated approach. Bitanihirwe BK, Woo TU. Source Laboratory of Behavioural Neurobiology, Swiss Federal Institute of Technology, Zurich, Schorenstrasse 16, Schwerzenbach

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Antioxidant supplements in exercise: worse than useless?

Antioxidant supplements in exercise: worse than useless? Mari Carmen Gomez-Cabrera1, Michael Ristow2, and Jose Viña1 to the editor: In a recent paper by Higashida et al. (5), the authors report

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