her daughter, eric ka was so impressed she's now a vegan, too. >> obviously, i lost weight.t was good motivation. that was five months ago. it gets easier every day. >> doreen gentzler, news 4. >> they say vegan diets can be very healthy. you have to make sure you are monitoring vitamins and miner s minerals. well, we all know regular exercise is crucial to losing weight. what happens after you shed those pounds? a lot of people hit a plateau and get stuck. meet a washington woman who lost 150 pounds and is working to get to the next level. we asked her, what's your work out. >> i weighed, at my heaviest, close to 300 pounds. i loved food. i wasn't participating in physical activity or anything like i shouldhave. it was almost a decade later, in my early 20s, when i was 21. i had an a-ha moment. i started walking. i did what i could, maybe 20 minutes a day, up to 345 45 minutes a day. right now, i'm in the stage of maintenance. >> to go to the next level, you have to do something different. she came to see us. >> you can plateau and start to gain weight back and it's like wh