Standing exercises after 50 that a trainer of 40 years says firm the arms, thighs and midsection faster than classes.

The U.S. military’s new testosterone-screening protocol directly supports its focus on human performance optimization.

We put every version of the new Renault Duster through our exhaustive real-world tests to see how they fare. Click here to ...

The Pentagon's new testosterone screening policy will test troops over 30. A doctor explains what the research shows about ...

Javascript must be enabled to use this site. Please enable Javascript in your browser and try again. Get the app that makes your AARP membership truly mobile! AARP ...

Eat 1.6-2.2 grams of protein per kilogram of your body weight daily to optimize muscle growth. Try pairing a high-protein diet with resistance training to build muscle. Animal sources of protein ...

Engineers have developed a new soft, flexible device that makes robots move by expanding and contracting -- just like a human muscle. To demonstrate their new device, called an actuator, the ...