> just because an individual difference is "inborn" (heritable) does NOT mean that it cannot change under environmental influence On the flip side, just becaus

> just because an individual difference is "inborn" (heritable) does NOT mean that it cannot change under environmental influence On the flip side, just because a feature isn't heritable, doesn't mean it can be changed through an environmental intervention. Many people assume that what isn't strictly genetic, must me malleable but there may be more than a fair bit of just randomness there or hard to alter circumstances (pre-natal environment, remnants of infections).