Antibiotic use in infants linked to illness in adulthood

May 15, 2015 10:34
Antibiotic use in infants linked to illness in adulthood

Antibiotics are a type of antimicrobials used to treat and prevent bacterial infection. But use of antibiotics in infants can lead to changes in the gut bacteria and make them vulnerable to infectious diseases, allergies and other autoimmune disorders, and even obesity, later in life, according to a new study.
"Over the past year we synthesised hundreds of studies and found evidence of strong correlations between antibiotic use, changes in gut bacteria, and disease in adulthood," said the study's senior author Dan Knights, assistant professor at University of Minnesota.

In this study, the researchers developed a framework to map how antibiotics may be acting in the gut to cause disease later in life. In the case of allergies, for example, the use of antibiotics may eradicate key gut bacteria that help immune cells mature. Related to obesity, antibiotic-induced changes in the gut microbiota resulted in increased levels of short-chain fatty acids that affect metabolism, the findings showed.

"We think these findings help develop a roadmap for future research to determine the health consequences of antibiotic use and for recommendations for prescribing them," Knights said.

The researchers demonstrated that an infant's age could be predicted within 1.3 months based on the maturity of their gut bacteria. The findings may lead to recommendations for antibiotic usage and a clinical test for measuring gut microbe development in children.

The study appeared in the scientific journal Cell Host & Microbe.

By Lizitha

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kids  antibiotics  parenting