Anti-hypertensive linked to breast cancer

A commonly prescribed class of anti-hypertensive drugs may increase the risk of breast cancer in postmenopausal women, American research suggests.

A Seattle study has found a 2.5-fold increase in the risk of invasive ductal and lobular breast cancers in women over 55 taking calcium channel blockers for a decade or more, regardless of their oestrogen receptor status.

It is the first study to report the impact of long-term use of calcium-channel

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