Fetal Alcohol Spectrum Disorder, or FASD, is the most common preventable cause of birth defects in the world, and yet I had never heard of it before. It is 2.5 times more common than autism, and research suggests that between 3.1% and 9.9% of children in the US have it (numbers are as high as 18% in the UK. 18%!!). How is FASD so prevalent but so unheard of? FASD is a lifelong, brain-based disability that is caused by prenatal alcohol exposure. Early intervention for people with FASD is extremely important, so diagnosing early is essential. People with FASD...