Houghton dabbled in the black market, starting with coffee and moving on to medical drugs.

Immune suppression can be caused by illnesses or medical drugs used over a long period, for example steroids.

There is a safety question about medical drugs, too.

Over the past thirty years there's been a massive increase in the consumption of medical drugs, yet I see no real improvement in public health.

The war created an urgent demand for medical drugs which were put to vital use in the treatment of wounded soldiers.

A national registry of medical drugs was developed.

Various clinics were also set up to facilitate access to medical drugs.

That such a ban endangers the availability of medical drugs, I beg to doubt.

Further study has been taken with other medical drugs, but none are effective.

Countless animals suffer horribly in order to make sure medical drugs and procedures are safe for humans.