Featured Research

from universities, journals, and other organizations

Probiotic Cuts Respiratory Illness Rates In Endurance Athletes, Study Suggests

Date:
February 20, 2008
Source:
British Medical Journal
Summary:
The probiotic Lactobacillus substantially cuts the rate and length of respiratory illness in professional long distance runners, reveals a small study. Intensive exercise can subdue the normal immune response, and as a result, some athletes are vulnerable to respiratory viruses, such as colds and flu. During four months of intensive winter training, 20 elite, endurance athletes were given either three freeze dried capsules twice daily of the probiotic Lactobacillus fermentum or a dummy capsule (placebo).

The probiotic Lactobacillus substantially cuts the rate and length of respiratory illness in professional long distance runners, reveals a small study. Intensive exercise can subdue the normal immune response, and as a result, some athletes are vulnerable to respiratory viruses, such as colds and flu.

During four months of intensive winter training, 20 elite, endurance athletes were given either three freeze dried capsules twice daily of the probiotic Lactobacillus fermentum or a dummy capsule (placebo).

The treatments lasted 28 days each, interspersed by a month of nothing (“washout period”) so that by the end of the period all the athletes had each had the probiotic and the dummy formulation.

Lactobacillus is a lactic acid bacteria that has been used in the treatment of gut infections.

The researchers assessed treadmill performance, immune response, and the length and severity of respiratory tract infections. There was no difference in running performance between those taking the probiotic and those taking the placebo.

But athletes taking the probiotic had less than half the number of days of symptoms of their colleagues taking the placebo.

Respiratory symptoms while taking Lactobacillus lasted 30 days compared with 72 days while taking the placebo. Symptoms also tended to be less severe. The probiotic treatment doubled levels of interferon gamma, an important component of the body’s immune response.

Probiotics seem to increase systemic immunity, possibly by boosting the activity of T cells, say the researchers. The potential of this probiotic to be used as a treatment to ward off illness merits further investigation, they say.

“An improvement in resistance to common illnesses constitutes an important benefit to elite athletes undertaking high level training in preparation for national and international competitions,” they conclude.

Journal reference: Oral administration of the probiotic Lactobacillus fermentum VR1-003 and mucosal immunity in endurance athletes Online First Br J Sports Med 2008; doi 10.1136/bjsm.2007.044628


Story Source:

The above story is based on materials provided by British Medical Journal. Note: Materials may be edited for content and length.


Cite This Page:

British Medical Journal. "Probiotic Cuts Respiratory Illness Rates In Endurance Athletes, Study Suggests." ScienceDaily. ScienceDaily, 20 February 2008. <www.sciencedaily.com/releases/2008/02/080217221959.htm>.
British Medical Journal. (2008, February 20). Probiotic Cuts Respiratory Illness Rates In Endurance Athletes, Study Suggests. ScienceDaily. Retrieved July 31, 2014 from www.sciencedaily.com/releases/2008/02/080217221959.htm
British Medical Journal. "Probiotic Cuts Respiratory Illness Rates In Endurance Athletes, Study Suggests." ScienceDaily. www.sciencedaily.com/releases/2008/02/080217221959.htm (accessed July 31, 2014).

Share This




More Health & Medicine News

Thursday, July 31, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Health Insurers' Profits Slide

Health Insurers' Profits Slide

Reuters - Business Video Online (July 30, 2014) Obamacare-related costs were said to be behind the profit plunge at Wellpoint and Humana, but Wellpoint sees the new exchanges boosting its earnings for the full year. Fred Katayama reports. Video provided by Reuters
Powered by NewsLook.com
Concern Grows Over Worsening Ebola Crisis

Concern Grows Over Worsening Ebola Crisis

AFP (July 30, 2014) Pan-African airline ASKY has suspended all flights to and from the capitals of Liberia and Sierra Leone amid the worsening Ebola health crisis, which has so far caused 672 deaths in Guinea, Liberia and Sierra Leone. Duration: 00:43 Video provided by AFP
Powered by NewsLook.com
At Least 20 Chikungunya Cases in New Jersey

At Least 20 Chikungunya Cases in New Jersey

AP (July 30, 2014) At least 20 New Jersey residents have tested positive for chikungunya, a mosquito-borne virus that has spread through the Caribbean. (July 30) Video provided by AP
Powered by NewsLook.com
Xtreme Eating: Your Daily Caloric Intake All On One Plate

Xtreme Eating: Your Daily Caloric Intake All On One Plate

Newsy (July 30, 2014) The Center for Science in the Public Interest released its 2014 list of single meals with whopping calorie counts. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

    Environment News

    Technology News



    Save/Print:
    Share:

    Free Subscriptions


    Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

    Get Social & Mobile


    Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

    Have Feedback?


    Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
    Mobile: iPhone Android Web
    Follow: Facebook Twitter Google+
    Subscribe: RSS Feeds Email Newsletters
    Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins