Because the skin in exposed areas of the head and neck is very thin in older patients, a penetration depth of 1.1mm is sufficient to reach a considerable portion of the dermis.91 The disadvantages of radiation therapy are the limited penetration of x-rays (which explains why the Miescher technique can fail in cases where melanocytes extend below the adnexal structures91), the need for multiple sessions (generally done only in urban areas with adequate infrastructure93), and the difficulty of detecting recurrence due to treatment-induced pigmentary changes
Experimental Setup Mice were implanted with pancreatic tumor cells and split into four treatment groups: Vehicle control (no treatment) Low-dose Reta (1 nmol/kg, subcutaneously) Anti-PD-1 immunotherapy (10 mg/kg, intraperitoneally) Combination Reta + anti-PD-1 Treatments were given once every three days for two weeks after tumors were established
Patients see weight loss, lower blood pressure, better cholesterol numbers, and in many cases, they can cut back on other medications
a few patients have reported stomach discomfort or loose stools)
It is not typically successful, but each case is unique