segel just said, some people do have high blood pressure, but then they have to take potassium becauseedicine drains the body of potassium. again, how do you even know if your potassium is too high, and what does too much potassium do to the body? >> you just made a great point, which is when you have high blood pressure, we tend to use agents that can actually bring your potassium up higher. i want you to understand the kidney is the filter here. the kidney has to get rid of the potassium in the body. if the kidney is impaired, then you end up backing up, and with too much potassium or if the adrenal gland needs repaired, both of those can lead to heart arrhythm irk arrhyt arrhythmia where your heart stops beating. i can look on an electric tro cardiogr cardiogram to see that potassium. i send the patient to a hospital which is the first priority in a situation like that. >> doctor, you mentioned herbs can help? >> there is something called ginseng, which i have not used before, but it can increase your potassi potassium. or lily of the valley. these are herbs that people can use not

segel. >> we're here every sunday to make you healthier. >>> 48 hours before the deadline to hammer out a deal on iran's nuclear program. the newly elected prime minister calls the deal worse than he thought and called iran's involvement in the war with yemen a disaster and it has to stop. we'll have this debate. >>> this landing did not go as planned. the pilots of a canadian flight have a lot of questions to answer. their plane careened off the runway leaving passengers hanging on for dear life. we'll tell you what the plane hit on the bay weighway down. >>> plus millions of christians celebrating palm sunday as we start the holy week. >>> i'm leland vittert. nice to be with you. welcome to america's news headquarters. >> i'm shannon bream. >>> diplomats in switzerland continue to burn the midnight oil hoping to get a nuclear deal with iran before tuesday. in jerusalem today, a fiery israeli prime minister benjamin netanyahu addressed his cabinet saying, quote, this deal, as it appears to be emerging, bears out all of our fears and even more than that. never mind though secretary of s