Disease

Coverage of infectious and chronic diseases — their causes, mechanisms, epidemiology, prevention strategies, and the latest science on how the body fights back.

The research was done using ferrets, which have both susceptibilities to seasonal influenza viruses that affect us and have similar respiratory transmission patterns.
Diabetes is a disorder of glucose metabolism.
Most individuals begin the process towards overweight and obesity early in life.
“All models are wrong, some models are useful.”
Peanut allergy can be life-threatening Peanuts are legumes, and it is different from tree nuts. A person allergic to peanuts may not be allergic to almonds, cashews, pistachios, walnuts, and pecans. 
There is a wide variety of opinions about the value of the use of lockdowns as a method of controlling the spread of COVID, ranging from "a complete waste of time that did more harm than good" to "they weren't done strictly enough."
A recent paper in Physics of Fluids that blends physics and climate with the traditional SIR pandemic model provides some clues. It is a model and does not promise predictions, just insights into how various parameters interact.
We now know that exposure to the virus and subsequent infection depends not only where you are but how you behave.