Apple, Fix, iPhone, iPhone 6 Plus, iSight, iSight Camera. 1  This actually has been affecting my phone. 2  Hmm, are they really only going to open up the device and replace the camera, or is it going to be a device swap. 3  Just checked and my 6+ and my brothers are affected.
Pellagra is a vitamin deficiency disease most frequently caused by a chronic lack of niacin (vitamin B 3 or synonym: vitamin PP (from: Pellagra Preventing factor)) in the diet.ellagra is a vitamin deficiency disease most frequently caused by a chronic lack of niacin (vitamin B 3 or synonym: vitamin PP (from: Pellagra Preventing factor)) in the diet.
If untreated, pellagra can kill within four or five years. Treatment is with nicotinamide, which has the same vitamin function as niacin and a similar chemical structure, but has lower toxicity. The frequency and amount of nicotinamide administered depends on the degree to which the condition has progressed.