More powerful medicines - Pharmaceutical companies will be able to produce therapies more targeted to specific diseases, maximizing therapeutic effects while decreasing damage to nearby healthy cells.
Better, safer drugs the first time - Recovery time will go down and safety will go up as the likelihood of adverse reactions goes down or is eliminated altogether.
More accurate methods of determining appropriate drug dosages - Current methods of basing dosages on weight and age will be replaced with dosages based on a person's genetics --how well the body processes the medicine and the time it takes to metabolize it.