Principal is the amount you borrowed, and interest is the amount you pay to the lender as a charge for borrowing. To calculate interest, multiply the principal amount by the interest rate ...

A 71-year-old man complained of dyspnoea on exertion and oedema. Chest radiograph demonstrated calcified pericardium. Echocardiogram and gated CT revealed abnormal septal motion in diastole (septal ...

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The world's oldest man who died at the age of 112 last year left £300,000 to his British family in his will. John Alfred Tinniswood, who lived through both world wars, was born in Liverpool on ...