Thank you for the tip, Dim-
Hope all is well for you and your wife in Greece.
You mean "heat shock proteins"... I'm learning about them.
"Heat shock proteins (HSPs), also called stress proteins, are a group of proteins that are present in all cells in all life forms. They are induced when a cell undergoes various types of environmental stresses like heat, cold and oxygen deprivation."
The weather is quite warm in southern California now, and Jeff feels the fatigue most in the afternoon, after working for several hours. He takes a short "siesta" and feels better, but he wold love to get his energy levels up. He doesn't eat any bread or gluten and wheat products at all. He eats mostly fish, eggs, salads, veggies, fruits, nuts and chicken.
Keeping him cool seems to help a bit-