Archive for Medicine

What does 95% vaccine efficacy mean?

I’ve seen several web pages that explain how to calculate vaccine efficacy, but most of them explain it in terms of a formula rather than explaining what the formula means. Here’s the simplest conceptual explanation I’ve seen: a VE of 90% indicates […] a 90% reduction from the number of cases you would expect if […]

Alex and testosterone

At some point in the early 1990s, I spoke with my college friend Alex on the phone, and was surprised that his voice had dropped in pitch by at least an octave since I had last talked with him. I think he told me something about having belatedly gone through puberty. It turned out that […]

The anniversary that I missed

(Content warning for discussion of a suicide.) A little under two weeks ago, around the start of Labor Day Weekend, I had an anxiety spike, which was made worse a couple days later by various things around the statement from the Tiptree Motherboard about the award’s name. At the time, I couldn’t figure out why […]