Vaccinated!

So I finally went for my long overdue health screening the other day. I've gotten to the age where every year I kind of expect that there'll be some anomaly or other! So thank God this time everything was fine. Must be all the circuit breaker home workouts :D One interesting thing though - the doctor pointed out that some antibody levels were dropping, so I should go for booster vaccinations. This was a bit surprising to me, since I knew I had gotten vaccinated just a few years ago. I am generally not gooey about injections, so I'll probably get around to getting those booster shots soon. This got me thinking. The only reason why I was even considering getting booster shots was because someone had pointed out that what I thought I had (immunity), I actually didn't have. If we think we have something, naturally we don't go looking for it. We're only motivated to go looking for something we realise we don't have . This is something I've recently re-encoun...