Core Insights - The article highlights an increase in acute myocardial infarction cases during the hot and humid weather, particularly affecting manual laborers in the construction industry [1][3][4] Group 1: Health Impact - The cardiovascular department at Fudan University Jinshan Hospital has admitted over ten acute myocardial infarction patients within a week, many of whom are construction workers [1][4] - Symptoms of heart issues, such as chest pain and heart palpitations, are often underestimated by patients, leading to delayed medical attention [3][4] Group 2: Medical Advice - Doctors indicate that the hot and humid weather can elevate blood pressure and increase blood viscosity, making physical laborers more susceptible to cardiovascular diseases [4] - The "golden 120 minutes" for treatment is emphasized, where timely medical intervention is crucial to prevent severe heart damage or fatality [4]