"The same hormones which make expectant mothers feel ill could help their baby's development, doctors believe.
Children were more likely to do better in intelligence tests if their mothers had experienced nausea and vomiting during pregnancy...
Scientists believe that the sickness could be a by-product of changes in the levels of certain hormones, known as HCG (human chronic gonadotropin) and thyroxine, during pregnancy.
These fluctuations help the body to ensure that a woman's placenta grows properly, delivering vital nutrients to her baby."
More research must be done to figure out exactly what's going on, but it's an encouraging start. Hang in there, sick moms, it may be well worth it!