or needles. can you get it from the dentist s office? sure. you have to be careful with any exposure to blood or tattooing. you have to be careful. obviously, this is something that can be tested. you can look for antibodies. even if you have it, they can get a liver biopsy and find out what s going on. we have interfewer medications. but a lot of people end up with liver transplants. about a quarter of patients like this can recover on their own. the problem with hepatitis c is there s no vaccination. hepatitis a and b have vaccines. c doesn t have it. you want to be sure to ask your doctor if you have risk factors. all right. ask your doctor. we can talk more about it after the break because we have another great topic coming up after a quick commercial break. a new warning about the so-called energy drinks you may be drinking. what researchers discovered about the damage they could be doing to your heart. that s next.