Oil prices edged marginally higher on Thursday as investors assessed the likelihood of further U.S. sanctions against Russia and the supply risks posed by a blockade of Venezuelan oil tankers. Brent ...

RIO DE JANEIRO, Brazil — Venezuelans are once again bracing for uncertainty as President Donald Trump threatens a blockade that could cut off the country's ability to sell oil — its main source of ...

As with all medicines, beta blockers can produce certain unwanted effects. The NHS website recommends that patients should ...