I believe there is a mind or soul and spirit/physical brain interaction system given to us by God that concerns our mental-related abilities.
Infectious diseases that affect our world are frequent topics of both discussion and study, especially in view of our current COVID-19 crisis and its associated mortality. In spite of modern medicine and antibiotic breakthroughs, many illnesses and fatalities are unfortunately caused by commonplace infections such as pneumonia, influenza, hepatitis, dysentery, and osteomyelitis to name a few. Infections have been part of our human struggle from age to age. It is interesting that very few specific types of infections are mentioned in the Bible.
According to the Center for Disease Control, this year's flu season is the worst this country has experienced in years. The CDC reports that flu is widespread in at least 13 states, and only Massachusetts and Washington, D.C. have reported no cases (USATODAY.com - Flu Shot Shortage is Feared, Dec., 17, 2003). Hospitals in Arizona and North Carolina report patients swamping pediatric emergency rooms. Health departments are scrambling to get vaccines. Paper masks are being handed out in waiting rooms.