5 Early Heart Attack Signs: Don't Ignore These 10-Day Warnings!

• Harvard research: 50% of heart attack victims show symptoms 10 days to a month prior.
• Watch for severe fatigue, shortness of breath, chest pressure, dizziness, and sweating.
• Digestive issues like heartburn, nausea, or persistent indigestion can be warning signs.
• Unexplained sleep changes, restlessness, or anxiety may indicate heart problems.
• Pain spreading to the left arm, jaw, neck, or back, even mild, warrants immediate medical attention.