Dietary supplements of soya flour lower serum testosterone concentrations and improve markers of oxidative stress in men.

Objective: We examined the effects on serum sex steroids, lipids and markers of oxidative stress of supplementing the diets of healthy male volunteers with scones made with soya flour.

Design: A randomized placebo controlled cross-over trial.

Setting: University Hospital of Wales.

Mammary hibernoma.

Hibernomas are rare benign tumours of brown fat. We report the first account in the English literature of a mammary hibernoma, presenting in the post-lactational period.