Viewers who put themselves through 90 minutes of adrenaline（肾上腺素）-pumping terror can use up as much as 113 calories, close to the amount burned during a half-hour walk and the equivalent to a chocolate bar.

 

The movie top of the list of calorie-burners was found to be the 1980 psychological thriller¹ The Shining, with the average viewer using up a whopping（巨大的） 184 calories.

 

Jaws² took the runner-up spot, with viewers burning on average 161 calories, and The Exorcist came third, with 158 calories.

 

The University of Westminster study measured the total energy expenditure³ of ten different people as they watched a selection of frightening movies.

 

Scientists recorded their heart rate, oxygen intake⁴ and carbon dioxide output - and discovered the number of calories used increased by on average a third during the films.

 

The research also revealed films featuring moments designed to make viewers jump in terror are the best calorie-burners, as they cause heart rates to soar.

 

Dr Richard Mackenzie, senior lecturer and specialist in cell metabolism⁵ and physiology⁶ at the University of Westminster, said: "Each of the ten films tested set pulses racing⁷, sparking an increase in the heart rate of the case studies.

 

"As the pulse quickens and blood pumps around the body faster, the body experiences a surge in adrenaline.

 

"It is this release of fast acting⁸ adrenaline, produced during short bursts of intense stress (or in this case, brought on by fear), which is known to lower the appetite, increase the Basal Metabolic⁹ Rate and ultimately burn a higher level of calories."

 

Helen Cowley, editor of the movie rental¹⁰ company LOVEFiLM - which commissioned the University of Westminster study - said: "We all know the feeling of wanting to hide behind the sofa or grab a pillow when watching scary or hair raising scenes, but this research suggests that maybe those seeking to burn some calories should keep their eyes on the screen."

 

The top 10 calorie-burning frightening films were:

 

1. The Shining: 184 calories

 

2. Jaws: 161 calories

 

3. The Exorcist: 158 calories

 

4. Alien: 152 calories

 

5. Saw: 133 calories

 

6. A Nightmare on Elm Street: 118 calories

 

7. Paranormal Activity: 111 calories

 

8. The Blair Witch Project: 105 calories

 

9. The Texas Chain Saw Massacre¹¹: 107 calories

 

10. [Rec]: 101 calories

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