During your doctor visits, there are some things you may not want to bring up. You may think they’re concerns your doctor can't help you with, or maybe you’re embarrassed to talk about them. Recent research looked at what topics cancer patients are willing to discuss with their doctors.

Vitamin A derivatives, drugs known as retinoids , have been used successfully to treat certain types of leukemia. Not all forms of the disease respond to them, though. Scientists have discovered that adding another medication may overcome this resistance.