By Nicola Davis, Guardian

Articles from the author

Testosterone linked to risk of heart disease

Study that analysed data from UK found men were more likely to develop heart conditions

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Scientists unravel secrets of ‘superagers’

Researchers find ‘superagers’ have more of a type of brain cell known as Von Economo neurons

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Cocktail of toxic chemicals in household dust

Scientists find scores of harmful chemicals in indoor dust including phthalates linked to developmental problems in babies

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