Medical notes this week…

The rotavirus vaccine could give you some extra protection—against type 1 diabetes. A surprising study in the journal Scientific Reports shows that children who’ve been vaccinated against rotavirus have a 33 percent lower risk of developing type 1 diabetes. The multi-dose rotavirus vaccine is given to most infants in the first year of life. The study shows diabetes risk goes down only among children who receive all three doses of the vaccine.

A rough childhood could have a detrimental effect on development. A study in the journal Development and Psychopathology shows that experiences such as poverty, parental divorce, and housing instability can alter a child’s brain chemistry. Eventually, continuous stress may make the body may immune to it. Researchers say that can result in a child who has a more difficult time staying alert and emotionally ready for daily challenges. Scientists hope this study can be used to influence parenting programs, early child and school-based interventions.

And finally, are you a dog person? It’s genetic! A study in Sweden finds strong evidence that genetics could impact dog ownership in adults. The study used Swedish registries of twins and dogs, and its results could broaden our understanding of how dogs came to be man’s best friend. It may also explain why only some of us love our furry friends.

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