Free radicals may be good for you

Fear of free radicals may be exaggerated, according to scientists from the Swedish medical university Karolinska Institutet. A new study, published in the Journal of Physiology, shows that free radicals act as signal substances that cause the heart …

Nitrate improves mitochondrial function

The spinach-eating cartoon character Popeye has much to teach us, new research from the Swedish medical university Karolinska Institutet shows. The muscles’ cellular power plants — the mitochondria — are boosted by nitrate, a substance found in …

Bipolar disorder does not increase risk of violent crime

A new study from Sweden’s Karolinska Institutet suggests that bipolar disorder — or manic-depressive disorder — does not increase the risk of committing violent crime. Instead, the over-representation of individuals with bipolar disorder in viol…

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