When ultraviolet B (UV-B) rays of the sun touch the cholesterol in the skin cells, it helps produce Vitamin D. Hence sunlight is the best source of Vitamin D. Vitamin D is essential for optimal health. Since most of us…
Do you know what immunity means? Immunity is: the body’s ability to protect itself from an infectious disease. So, vaccines give us immunity, right. Exactly! Vaccination gives you immunity against a disease for a period of time. Well, if you…
About the Faculty : Dr Karthikeyan Pethusamy – MD, DNB, MNAMS, is a PhD Scholar (Department of Biochemistry) AIIMS, New Delhi Dr Karthikeyan has been an excellent performer since his college days. He has three distinctions and a gold medal…