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Probiotics aid recovery from cold

1 commentBy Gary Scattergood , 06-Nov-2012
Last updated on 06-Nov-2012 at 16:23 GMT

Probiotic supplementation in strawberry candy helped students recover more quickly from upper respiratory illnesses, including the common cold, according to a recent study to be published in the British Journal of Nutrition.

Every year, approximately 55% of university students experience at least one upper respiratory infection. In a new study, an international research team investigated the impact of probiotic supplementation in a group of American college students.

The study was led by Tracey Smith, adjunct professor at the University of Medicine and Dentistry of New Jersey,

A total of198 college students living on campus in residence halls at Framingham State University were selected to receive either a placebo (97 students) or a powder blend containing Chr Hansen's probiotic strains BB-12 and LGG (101 students) for 12 weeks. Each day the students completed a survey to assess the effect of the probiotic supplementation.

Smith said: "We know that certain probiotic strains support immune health and may improve health - related quality of life during upper respiratory infections.

Probiotic supplementation

"This study assessed how probiotic supplementation affects the duration and severity of symptoms, plus their impact on daily life, when infected."

The median duration of upper respiratory infections was significantly shorter by two days (four days versus six), and median severity score was significantly lower by 34% with probiotics versus placebo, she added.

The probiotics group missed 0.2 fewer college days compared with the placebo group.

"In conclusion, the study indicates that BB-12 and LGG shortens the duration of colds and minimises the severity of the effect for college students and reduces missed school days," said Chr Hansen's Birgit Michelsen, director of scientific affairs, health and nutrition division.

"The study findings confirm immune health benefits that we have documented in previous studies and which we are continuously substantiating in our ambitious programme of probiotic clinical studies," said Michelsen.

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1 comment (Comments are now closed)

Why didn't the students go back to school?

You say that the duration of infection was reduced by two days, but the students only missed 0.2 fewer days of school.

What prevented the students from returning?

In reality, since this work is not published, we can't actually see any of the data and come to our own conclusions about the quality and validity of the study.

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Posted by Peter Olins, PhD
12 November 2012 | 14h45