Study: Watching scary movies burns calories

UNDATED (WHDH) -- Halloween can be tough on a diet. But there's an easy and fun way to keep the pounds off -- just watch a horror film!

According to a study by website lovefilm.com, watching a scary movie releases adrenaline and suppresses appetite. It also speeds up the metabolic rate.

so, which movies will help you burn the most calories? “The Shining” burns up to 184 calories, “Jaws” 161 calories, “The Exorcist” 158 calories, “Alien” 152 calories, and “Saw” burns up to 133 calories.