Doctors warn us to take extra care of our health around the holidays. Research finds our risk of having a heart attack jumps 37% on Christmas Eve, and they’re most likely to happen around 10 p.m. right after dinner. Dr. Christopher Kelly and Dr. Marc Eisenberg, authors of “Am I Dying?!: Should You Chill Out or Freak Out? A Complete Guide to Your Symptoms and What to Do Next,” join “CBS This Morning” to explain when you should worry about your health. Source

Nashville police released surveillance video from the bar and are seeking a suspect in the murders. Source

Seven women in one family had major surgery after a widely used genetic test, taken by hundreds of thousands of people, showed a high cancer risk. One of them says she was left debilitated and unable to have more children. But, years later, the family has learned the results of that BRCA test might have been wrong. Jamie Yuccas reports. Source

Boeing announced the firing of embattled CEO Dennis Muilenburg on Monday after multiple deadly crashed caused by the company’s 737 Max plan. CBS News travel editor Peter Greenberg joins “CBS This Morning” to discuss how this move will affect air travelers. Source

A relative says the children’s mother and stepfather have cult-like religious beliefs that could have played a role in the case. Source

The parents of two missing children from Idaho are now missing too, and the FBI thinks the kids are in serious danger. Joshua “JJ” Vallow, 7, and Tylee Ryan, 17, haven’t been seen for three months. Police believe their mother, Lori Vallow, and stepfather, Chad Daybell, could have answers if they can be found. Investigators say the children’s disappearance could be connected to the death of Daybell’s former wife. Errol Barnett reports. Source

Congress is taking its fight into the holidays. A lawyer for the House Judiciary Committee says Democrats are open to impeaching President Trump again if new evidence of obstruction emerges. The comment was part of a petition to interview former White House counsel Don McGahn. And in a letter to colleagues, Senate Democratic Leader Chuck Schumer wrote that leaving new evidence out of a Senate trial “would be to turn a willfully blind eye to the facts.” That brought pushback from his Republican counterpart, Majority Leader Mitch McConnell. Chip Reid reports. Source

Millions of Americans face a gauntlet of bad weather as they hit the road on Christmas Eve. Heavy rain on both coasts slowed travelers Monday, especially in the Southeast. Roads got waterlogged in South Carolina, and at least one accident backed up traffic on a slick highway in Alabama. But there’s better news for people who are flying today, in this historically busy week for travel. Mola Lenghi reports. Source

Family members are expressing disbelief amid their grief but authorities in suburban Dallas say the suspect told them she was an embarrassment Source

A new satellite image shows construction at a factory where Pyongyang makes military equipment for such long-range missiles. Source