Key Points:

• How are you feeling?
• I’m genuinely interested in the well-being of all my treasured Checkup readers, of course.
• But this week I’ve also been wondering how science and technology can help answer that question—especially when it comes to pain.
• In the latest issue of MIT Technology Review magazine, Deena Mousa describes how an AI-powered smartphone app is being used to assess how much pain a person is in .