it's quick, easy and something everyone can agree on. ♪ nutella. breakfast never tasted this good. >> in this morning's "medical alert" the latest research on hip replacements confirms their high failure rate leaving many orthopedic surgeons to say there is no reason to use them at all. erika edwards has more. >> hip replacement therapy has helped thousands resume active lifestyles. but research shows their energy levels are likely to out-last their frand brand new artificial hips if they are metal-on-metal implants. that means both the device and socket are made of metal. >> i would not have a metal on metal hip replacement if i were going to have one myself. >> strong words from dr. david mauerhand. he and many orthopedic surgeons around the country have stopped using the metal implants because they are likely to wear out in five years and some cases tiny metal fragments can slough off. >> it can lead to destruction of soft tissue and pain and decreasing function. >> now a new analysis of more than 400,000 hip replacements confirms the metal-on-m

it's quick, easy and something everyone can agree on. ♪ nutella. breakfast never tasted this good. >> now traffic pulse 11 and insta-weather plus together. >> good morning. sarah caldwell checking on your morning commute. we're looking at fog and it may impact your ride. i encountered on the north side of the beltway and on the j.f.x. into town. there is an accident in catonsville. we are not seeing any delays on the west side. saw mill road, another accident in the westminster region to avoid. up to speed on the north side. the b-w parkway around 59 south of 32 traveling southbound. this is the j.f.x. at ruxton road. fog is an issue. no sign of the beginning of a delay. 95 at 24 problem free at the moment. no delays down towards the fort mchenry. that is the latest on traffic pulse 11. now let's get the latest on the buses and the trains. for that we go to kurt kronke of the mta system. good morning. >> good morning. we have a delay 12 to 50 minutes. light rail is on schedule. more trains on schedule on the penn, camden, and brunswick lines. the 3