We love to answer reader questions, so send yours to [email protected]. Here's a recent submission to our mailbag:

The NBA draft lottery was last night and Cleveland won the first overall pick again. If you were drafting a drug in development for your biotech, what would be your #1 pick. Go Cavs!

--Keith

In this episode of The Motley Fool's health-care show Market Checkup, analysts David Williamson and Michael Douglass answer Keith's question. After Michael selected an immuno-oncology headline maker, David responds by drafting a boom-or-bust product with possibly the highest ceiling imaginable, Biogen's (BIIB 2.03%) Alzheimer's drug BIIB037.

However, for all its potentia,l BIIB037 is surrounded by red flags. Watch and find out what they are and why David likes the drug enough to draft it No. 1 overall.