in san francisco, lyanne melendez, abc 7 news. >>> how do you thank your coach for donating his kidney? >> i would do it again a thousand times out of a thousand. >> just real happy. coming up, a baseball player can hardly find the words about his coach's special gift. and if you don't understand the healthcare act president obama signed into law last year, >>> health item you will want to hear about. people who drink a diet soda each day may be boosting their risk of stroke. a 51% increased risk compared to those who drink no soda whatsoever. they don't know why specifically diet soda would cause the increased risk but previous studies showed diet soda linked to high blood pressure and low good cholesterol. it was presented at the international stroke conference going on in los angeles. >>> you could say that comic relief is coming to the healthcare plan. an nit economist a man considered brilliant by his peers is going to write a comic book explaining the healthcare overhaul. jonathan grabbier helped former governor mitt romney craft, massachusetts' overhaul. don't expect superheros

lyanne melendez "abc 7 news." >> let's get a check of the forecast weather rain falling. >> yes we havew and winter weather advisory for the hills in the bay area. you heard about it. here is a look at tahoe where temperatures in the tahoe valley airport 25 and blue canyon 25. higher elevations in the teens. a little bit of a let-up there what is this? more shots of labeling so very pretty. you have to check. this is tam see what i mean. it could be lake tahoe. it's just incredible with the cold air in place we are looking at snow above 2000 feet. wintry mix across the bay area at 2,000 feet until 7:00. you can see two or three more inches in the hills of the east bay. mount tam saratoga highway 17. we're talking everywhere where the rain could fall. wet weather will move in and continuing to intensify throughout the morning hours. we could see heavy downpours. live doppler shows the rain from petaluma novato heavier cells out to fairfield heading out of marine canyon. beginning to rain in san francisco. brisbane 280 all the way down to pescadero crossing over to the east bay. moraga, w

here is lyanne melendez with the abc morning salute. >> that is right. >> she probably wouldn't haven here had it not been her math teacher. she was given a second chance to solve a math problem. >> i was very puzzled how my classmates could do it and i couldn't. i couldn't believe it. so i went to the teacher later. i won the local math test for the first time. >> that day the teacher told her what comes from within you can take you very far. she gives that advice to all her students. >> you can tell she knows it all backwards and forwards. >> it's what you are bringing it forth a certain way and lot easier to that tackle further problems. >> reporter: she has taught math at mills college in oakland for nearly 12 years. during that time, math major at mills had more than doubled. in 1998 she founded a berkeley math circle, meant to engage students in a fun and exploratory way. >> what we are doing, using methods that work. you have the movement. >> reporter: but she would like to see american students become passionate in math like in bulgaria. teachers are highly regarded and appre