Two Supreme Court justices have had cancer. Another has a stent to keep an artery open. Now the chief justice has suffered his second unexplained seizure in 14 years.

Like society at large, the Court lives with health issues large and small, letting the justices themselves decide whether and how to continue their work. In an institution that zealously guards the justices’ privacy, how much to tell the public also gets decided on a case-by-case basis.