so what do you do about it? try to stay calm. for my case i got gray hair early on. i think genetics plays a big role. >> genetics and aging are still going to happen and that's one of the -- two of the causes of gray hair. stress makes it happen sooner or faster. >> genetics have to do with the preprogram in our lives. some of us have that gene in there that will affect these and over time they dry out and you end up with gray hair no matter what you do, whether you have stress or not. >> meanwhile, we have yet another concern about some of the hard plastic containers. a study suggesting bpa can contribute to obesity in young girls. >> bpa comes up all the time. we have covered this topic so many times in the past. it's in a lot of plastic containers there are plane studies that shows it can affect and associated with diabetes. now this particular study, it's a source of obesity in