A new study shows that toddlers who share a bed with their family are at an increased risk of developing asthma, according to Medscape.

The researchers found that 22.8% of children shared a bed with their parents at 2 months of age, and 11.6% were bed-sharing at 2 years of age. At 6 years of age, the prevalence of physician-diagnosed asthma was 8.0%, and correlations between wheezing reported by the mother and physician-diagnosed asthma increased from 1 to 6 years (regression analysis results, 0.20, 0.26, 0.33, 0.33, and 0.41 at ages 1, 2, 3, 4, and 6 years, respectively,