Before I present this guest post from physician David Edelberg on how Vitamin B-12 deficiency can cause “brain fog,” depression, and more, let me tell you how I first came to know him as a physician-sleuth who makes important connections.
“How could I not have known about adult ADHD before?” Dr. Edelberg remembers asking himself after attending a lecture in the late 1990s. When he related this story, I was interviewing him not about ADHD but about fibromyalgia. I had identified him as a national expert on this debilitating condition that seemed to be targeting the partners of adults with untreated ADHD in higher-than-average numbers. Dr. Edelberg had made the connection, too. Read the rest of this entry »