It might be hard to learn about a person's mental illness just by looking at their face, but a new study seemingly points to some facial features ... 4.2 percent. Meanwhile, for bipolar disorder ...

say that "facial features alone would therefore not be useful for diagnosing these disorders. The same applies to other morphological features of the brain and genetic characteristics. No single ...

Thus, in his classic paper of 1866, Down noted that many children with mental retardation shared a common set of facial features ... chromosome 21 in karyotypes prepared from DS patients (Figure 2).