increase your potassium. or lilly of the valley. these are things people can use without knowing they are they can interfere with the potassium. always talk to your doctor about the herbs you are taking and the list of the medications. repeat your blood test first before you get excited into if you do take potassium and you get cramps in your plegs what's that a sign of. >> that interferes with some of the muscle activity and that's a sign that you have to talk to your doctor and lower that. dope take it on your own or over doing it. that's dangerous. >> i used to like bananas, get potassium from them. >> if you have any questions for your doctors, e-mail us, house call at fox news.com. we may answer it here on the air. all names and e-mail addresses are kept confidential. >> researchers are now warning pregnant women to be more careful about how much weight they put on before and during pregnancy. during pregnanananananan