Affect vs. Effect: What's the difference? Tricky English vocabulary can often lead to confusion, and one of the most commonly misused word pairs is affect vs. effect. These two words are often misused ...

DURHAM, N.C. (WTVD) -- A new study shows that a dad's drug use may have a huge effect on his baby's development. Dr. Theodore Slotkin, PhD., a professor in pharmacology and cancer biology at Duke ...