As Black, when given a choice of taking the White's pawn, for what reason should I consider taking d5 pawn with e6 pawn? Wouldn't this open up the king's file and put it at risk of being attacked in the future?

[FEN "rnbqkb1r/pp3ppp/2p1pn2/3P4/3P4/2N1P3/PP3PPP/R1BQKBNR b KQkq - 0 1"]