Using any of the following medicines ON YOUR OWN, that is, without a doctor's prescription, in greater amounts or longer than prescribed [e.g., painkillers (like Vicodin), stimulants (like Ritalin or Adderall), sedatives or tranquilizers (like sleeping pills or Valium), or drugs like marijuana, cocaine or crack, club drugs (like ecstasy), hallucinogens (like LSD), heroin, inhalants or solvents (like glue), or methamphetamine (like speed)]?

For door hardware, medicine cabinets, landscaping materials, etc. they're great.

All interesting questions Joe, but they obscure the reality of the situation: the probability and severity of an event that causes loss of life limb or eyesight in REI is orders of magnitude lower in RE than in medicine, never mind open heart surgery. 

It's becoming an extremely large medical research hub, including Nano-tech and regenerative medicines.

And with the cost of phone, food, insur and medicine, even tv is no longer free, they may be living on the financial edge.So speak with them and let them know what the rent should be and how you plan to get there.