Corticotropin-releasing hormone (CRH) is the "master stress hormone." When this hormone goes awry it can impact everything, from your weight, to your health, to your behavior.

We make addiction out to be an unbeatable foe. That's bull. If that was true, then no one would ever kick a drug habit, no one would ever lose weight, and no one would ever overcome anything hard.

Sometimes a study looks like it tells you something really useful. And then you realize the study was funded by the company making the supplement. Let's look at an example.

If you follow the NBA you know Kobe Bryant recently suffered an Achilles tendon injury. Why did this injury happen on a simple move? Here's my theory and what we need to learn.

Every Sunday we post the "Sunday Seven" so you can quickly see the 7 most popular articles of the week. This week: deadlift tips, stretching advice, Tabata workouts, protein, and more!

In his new book, "Pound for Pound," Brian D'Souza goes behind the scenes of MMA fighting and examines what other journalists won't - the exploitation of some of the sport's biggest names.

Gender issues in the gym can be divisive, but it doesn't have to be that way. How can men and women work together, and are there any lessons we can learn from each other?

Two greats of strength training, Pavel and Andy, wrote a book that focuses on all three powerlifting movements, but specifically on how to improve your deadlift.

In just a week after changing my training approach, I'm already seeing the results, particularly in the bench press. Next week will focus on the lower body.

This week we're going back in time with some vintage footage from the 1959 A.A.U. Championships in York, Pennsylvania - including a brief appearance from weightlifting legend Tommy Kono!

She may have started out a real estate agent, but these days Cheryl Boatman travels the world photographing CrossFit athletes. Someday she hopes to shoot the NFL and MLB, too.

Yoga found me and gave me breath during the hardest year of my life. I lost everything, but I found yoga and found myself again. Now, I am a teacher so I can give back to others.

So you're an old guy and you've decided you need to start training MMA or BJJ. That's great, but there's some special things you've got to do if you want to last.

Development of power output is critical for athletes. Do you know what percentage of your 1RM to use to maximize power? What if it all depended on the length of your bones?

Trying out bath soaks is a tough job, but these products from Dr. Teal's made it easy. The epsom salt soaks use aromatherapy to provide relief from muscular pain and other benefits as well.

Training is getting intense as Regionals approach, but I'm taking two rest days each week which allows for more intensity.

My relationship with BJJ is evolving. Sometimes I wear a suit and talk to academics, and sometimes I write about jiu jitsu instead of training. I am merging my lives into one whole.

This week, in part three of my series on the ins and outs of vitamins, we will look at the antioxidant, energy-producing power station known as vitamin B2.

Weightlifting might be an individual sport, but it is best trained for in a group setting. Here are the reasons I believe the most successful lifters came from a real team setting.