which eventually leads the country to the brink of becoming a narco-state," ValdezDuffao warned. Violence and insecurity remain at the top of voters’ minds. Ecuador has the highest murder rate ...

An Iranian drug kingpin wanted by the FBI who is suspected of masterminding a series of killings in his country has been accused of ravaging Britain with heroin. Naji Sharifi Zindashti is wanted ...

Some vessels even have air conditioning and oxygen generation systems to support the crew during extended underwater missions. Narco-submarines typically operate with small crews of two to four ...

VO₂ max refers to the maximum amount of oxygen your body can absorb and use during exercise. It measures your aerobic fitness levels. If you’re looking to improve your aerobic fitness ...

A PaO2 test measures partial pressure of oxygen, or PaO2—the oxygen pressure in arterial blood. The PaO2 reflects how well oxygen is able to move from the lungs to the blood. It is often altered by ...