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.
Answers.comÂ® is making the world better one answer at a time. Temps between 150-200 F are good for keeping food warm without continuing to cook it. Food should always be kept at or above 63C/145F to prevent bacteria growth Eilat keeping food warm. + 153 others found this useful.