Clause wording:To the maximum extent permitted by law, Tenant shall not be permitted to, and shall notpermit any family, visiting friends, dependents, guests, licensees or invitees of Tenant to grow, produce,possess, consume, use, smoke, or ingest any marijuana, cannabis or any products or ingestibles containingmarijuana or cannabis in any location in, on or about the Premises; the foregoing prohibition to beabsolute and without exception and shall include any growing, production, possession, use orconsumption pursuant to any medical use or medical prescription, or any medical, retail or recreationalmarijuana activities that may otherwise be permitted under any local, state or federal laws, rules orregulations now or hereafter in effect.

Now, with a somewhat newer home that is up to code, the prescription is more about doing a remodel, but using rehab contractors, not remodeling contractors.

“The husband worked full-time as an emergency physician, while his wife divides her time between caring for their children and managing their rental properties.

as a physician it’s our job to fill it out.

The letter must be from a physician that it currently treating them.

I'm planning on getting a masters to become a physicians assistant and probably won't be done with school for another four years.

See this article by Indiana Attorney, Patrick Murphy, discussing recent Indiana cases of Adverse Possession.If the driveway is on your land, and she has no easement, then it could be possible that your neighbor developed a prescriptive easement right to use the driveway by her and her predecessors using it along with you and your predecessors for 20 years. 

A little about myself, I'm a physician living in Los Angeles.

That's why unwritten doctrines such as prescription, adverse possession, parole agreements, unrecorded land contracts, wills, etc exist.

.… On the other hand, lets say for example I use a physician loan with 3.75% interest with no down payment and buy a house for 250k.