Families With Dogs May Be Giving Babies an Immune System Boost
Summary
Scientists in Finland studied 368 babies and found that living with dogs might help protect infants from respiratory infections and reduce fever and antibiotic use. They discovered specific bacteria and fungi linked to dogs in household dust that may boost babies’ immune systems during their first year.Key Facts
- The study tracked babies’ health from pregnancy through their first year.
- Researchers collected dust samples from homes when babies were about 2 months old.
- They focused on bacteria and fungi connected to dogs.
- Certain dog-related microbes were linked to fewer respiratory infections in babies.
- One bacteria called Pasteurella was strongly associated with fewer fever weeks.
- Dog-related microbes explained part of the lower antibiotic use and infections.
- The overall number of microbes in the home did not explain the health benefits.
- Other lifestyle factors linked to dog ownership might also help babies stay healthy.
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