If stem cells are treated, patients might expect lasting benefit as their bodies automatically pass on the correctly functioning CFTR gene to their "daughter" cells.
While the film addresses such issues as noncompliance with medication and disputes over independent living arrangements, the bad times are never too severe or long-lasting.
The myxomatosis virus was illegally imported and illegally released but it had little lasting effect upon the rabbit population other than to make it more resistant to the virus.
