Bad cholesterol may be key predictor for heart attacks in healthy adults
Dr. Tara Narula joins "CBS This Morning: Saturday" to discuss a new study that shows why those without traditional heart disease risk factors may still be susceptible to heart attacks and stroke and how mandatory screening for critical congenital heart disease in infants affected death rates.
California to set guidelines limiting cellphone radiation exposure
A recent study finds 95 percent of Americans are now using cellphones, and that has prompted public health officials in California to issue groundbreaking guidelines to limit exposure to cellphone radiation. John Blackstone reports.