Although the holidays bring celebration, events, and family gatherings, this festive season can also be hectic, stressing your heart more than you may realize. Noticing symptoms like irregular heartbeats (arrhythmia), feeling dizzy or out of breath, and experiencing chest pain can signal cardiac trouble . “Certain cardiac events, such as heart attacks and heart failure flare-ups, become more common during this time of the year,” said Dr. Majid Mughal , interventional cardiologist at McLaren Greater Lans...