1 Having high or low cholesterol does not exclude a person from donating blood. 2  Potential blood donors may be temporarily prevented from donating if they have a low level of iron (hematocrit) in their blood.
Headline Clickable. To keep food warm without overcooking, set your oven to the lowest temperature (which is probably 200 degrees F) and cover the food with foil.eadline Clickable. To keep food warm without overcooking, set your oven to the lowest temperature (which is probably 200 degrees F) and cover the food with foil.
Baking Dough Kills Bacteria. When you bake bread, cookies or other items, their internal temperature should rise above 160 degrees F by the time they are done. This is sufficient to kill both salmonella and E. coli bacteria. If you want to be sure, use a probe thermometer inserted into the center of your dough. This will give you a constant temperature reading without requiring you to open the oven door, which could interfere with proper baking.