21.   Since drugs are costly, it might be desirable to give the drug when it is less readily removed by the kidneys.

22.   Some will argue that all illicit drugs are too dangerous to legalize.

23.   The drug could be invaluable for treating cancer patients.

24.   The drug is effective against a range of diseases.

25.   The drug is effective, but has undesirable side effects, and long-term use can result in liver damage.

26.   The drug is now in its final stage of testing.

27.   The drug is quite safe if taken correctly.

28.   The drug is usually effective but unfortunately the side effects are not always predictable.

29.   The drug Prozac can be helpful in treating anxiety.