Recently, a millennial came to my office and asked me if she should get vaccinated, even though her mom had never wanted her to. I didn’t tell her what to do. Instead, I told her why I vaccinate my own son. Here’s what Isaid.

How I Learned to TrustThe Needle

When my son was a couple of months old, I took him to the third of his many well-baby appointments. On that day, our pediatrician approached me tentatively. “This is the appropriate time for his vaccinations,” she informed me in a cautio...