HealthResearchers suspect that a sedentary lifestyle and antibiotic use may be behind the increase.
Karolinska Institutet
Study: Fluoride in drinking water may impact children’s cognitive ability
Science“Our results support the hypothesis that even relatively low levels of fluoride can have negative effects on children's early developmen”.
Swedish study: Difficult pregnancy linked to having fewer children
HealthSevere complications in a first pregnancy lower the likelihood of having more children, Karolinska Institutet researchers find.