The definition of a vaccine just changed to "stimulate the body's immune response."
So I guess all that sunlight I've been getting is a vaccine...and the vitamins in my health shake...and the bowl of oatmeal and side of orange juice I had this morning....
The definition of a vaccine just changed to "stimulate the body's immune response."
So I guess all that sunlight I've been getting is a vaccine...and the vitamins in my health shake...and the bowl of oatmeal and side of orange juice I had this morning....
Also (safe, presumably) sex, arguably?? Or like, any strenuous exercise??