Core Viewpoint - The article emphasizes the health risks posed by high temperatures to individuals with hypertension, hyperglycemia, and hyperlipidemia, and provides expert recommendations for managing these risks during summer months [1][2]. Group 1: Health Risks - High temperatures increase sweating, leading to higher blood viscosity and reduced blood flow to the brain, which raises health risks for vulnerable populations [1]. - Elderly individuals are particularly affected due to weakened vascular regulation, which can lead to unstable blood pressure and loss of essential nutrients [1]. - Summer heat can elevate triglyceride levels due to dehydration, increasing the risk of atherosclerosis, while metabolism may lower cholesterol levels seasonally [1]. Group 2: Recommendations for Management - Individuals with "three highs" (hypertension, hyperglycemia, hyperlipidemia) should ensure adequate water intake and adjust outdoor activities to cooler times of the day [2]. - Dietary adjustments are recommended, including reducing high-fat, high-sugar foods and increasing whole grains, along with incorporating cooling foods like lotus seeds and lily bulbs [2]. - It is advised to avoid emotional stress to prevent significant blood pressure fluctuations, and those on medication should adhere to their regimen and monitor their health regularly [2].