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The fancy gene responsible for strength and mass building.
These moves are great muscle-builders—if you do them right.
30 minutes a day isn't enough exercise to protect your heart.
Andrey Malanichev squats half a ton, smashes world record.
Study shows which activities help you log more shut-eye.
Restricting blood flow—safely—can fuel muscle growth.
You may be hardwired to respond differently to exercise.
Here's how many days in a row you can work out before you overreach.