The causes of dandruff are not known, but many experts believe that stress plays a big part.

And stress may play a role in teeth grinding, leading to jaw pain.

Researchers believe that stress and diet also play a role in triggering symptoms.

The stress of Fontana's commercial expectations were also playing a part.

"For one thing, stress plays hell with my blood sugar."

Socioeconomic factors or the stress of burning the midnight oil may play a role.

The researchers say it is also possible that stress associated with obesity, especially at an early age, may play a role.

Also, stress can play a role in reducing your appetite.

Sure, stress, poor diet and genetics all play a role, but there's more to it than that.

The study suggests stress plays a role in impacting the reproduction.