Heart attacks have become increasingly common and are now the leading cause of death globally, largely due to stressful lifestyles and unhealthy diets. You can protect your heart by adopting a healthier lifestyle, managing stress, and recognizing early warning signs, which may appear a month before a heart attack: Shortness of breath: Indicates insufficient oxygen flow to the heart. Cold and flu symptoms: Often occur before a heart attack. Chest pressure: A clear warning sign; seek medical advice. Weakness: Caused by reduced blood flow due to tightened arteries….