Three red tablets, two yellow and then three of the white ones.
Patients with an increased risk of stroke and heart attack often have to take many medications.
It's confusing, annoying and can even be scary.
It makes some patients indisciplined in taking their tablets.
Polypills, in which several active ingredients are combined, should offer a way out of this dilemma.
A study shows great success.
But a core problem remains.