6. Sleep Disturbances and Anxiety
Sudden insomnia, restless sleep, or unexplained anxiety may be linked to stress hormones and early cardiovascular strain.
7. Digestive Issues or Nausea
 When to Seek Help Immediately
Call emergency services right away if symptoms worsen or include:
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Severe chest pain
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Pain spreading to the arm, jaw, neck, or back
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Sudden shortness of breath
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Cold sweats or fainting
 Prevention Matters
Doctors recommend regular checkups, managing blood pressure and cholesterol, staying physically active, eating a heart-healthy diet, and avoiding smoking to reduce risk.
 Bottom Line
Your body often warns you weeks before a heart attack. Listening to these signs and acting early can prevent serious complications and save your life.