Because stress causes such unhealthy physical symptoms, Oz says people need to be in touch with the sources of stress.
Studies show that depression and grief "can literally break your heart," he says.
And for some people, the holidays are a time of loneliness and sadness. If you know someone who gets down at the holidays, make sure to call and check on them.
"Instead of using your hands to eat and drink … pick up the phone to call somebody who is in pain," Oz says.
Stay 6 to 8 feet from a burning fireplace
Fine particulates from fireplace smoke can lodge in your lungs and trigger a clot and a heart attack, Oz says.
"It can cause spasm of some of the arteries," he says.
There is no perfect distance because it depends on the room's ventilation, but he says try to stand 6 to 8 feet away.
Know the Symptoms of a Heart Attack
"If you think you're having symptoms of a heart attack ... call 911 and get a chewable aspirin," Oz says.
For women, symptoms of a heart attack include indigestion, shortness of breath and sweating. Men are more likely to get chest pain than women are.
If you think you're having a heart attack, call 911, then take an uncoated aspirin and chew it.
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