
Dr. Roach: Sleep and exercise beat supplements for immunity; gray hair at 22 is often genetic
Dr. Mehmet Oz advises that no supplements effectively boost immunity, warning that an overactive system can lead to autoimmune issues. He recommends adequate sleep and exercise for nursing students exposed to pathogens. Regarding early gray hair, he notes it is largely genetic and common in some ancestries, though stress and smoking can accelerate it.
