Global e-commerce company eShopWorld has appointed Conor O’Kane as its new chief information officer, with David Manifold joining as chief financial officer.

Calcium supplements, taken by millions of elderly people and post-menopausal women to prevent bone thinning, may double the risk of having a heart attack, a study has found.

Calcium supplements, taken by hundreds of thousands of elderly people and post-menopausal women to prevent bone thinning, may double the risk of having a heart attack, a study has found.