Medically reviewed by Brigid Dwyer, MD Key Takeaways Vitamin deficiencies, especially low B12, can significantly impact ...

Findings from St. Jude Children's Research Hospital demonstrate that virtual memory T cells, a specialized group of immune cells, provide nonspecific immunity for infants early in life. The work stems ...

Getting measles doesn’t confer benefits on the immune system — in fact, it’s just the opposite. Even a mild case of measles destroys the memory cells that confer resistance on bugs the patient has ...