The core danger of obesity lies in its comprehensive erosion of bodily functions. It not only affects physical appearance, but also significantly increases the risk of chronic diseases and even shortens lifespan.
- Metabolic System: The Hardest Hit Area
Obesity is the primary cause of Type 2 diabetes, as it leads to insulin resistance. It also directly raises blood pressure and blood lipids, triggering hypertension and hyperlipidemia. The combination of these three conditions easily causes atherosclerosis, greatly increasing the risk of cardiovascular and cerebrovascular diseases. - Cardiovascular and Cerebrovascular System: The Invisible Killer
Obese people are 2 to 3 times more likely to develop coronary heart disease, cerebral infarction, and cerebral hemorrhage than those with normal weight. Excess fat increases the load on the heart, leading to heart failure. It may also cause life-threatening obstructive sleep apnea syndrome (nocturnal hypoxia, which raises the risk of sudden death). - Digestive System: The Burden Bearer
Obesity significantly increases the incidence of fatty liver (which can progress to cirrhosis), gallstones, and gastroesophageal reflux. Long-term obesity may also raise the risk of digestive tract cancers such as colorectal cancer and pancreatic cancer. - Skeletal and Joint System: The Pressure Source
Excess weight continuously puts pressure on weight-bearing joints like the knees and hips, accelerating cartilage wear and triggering osteoarthritis at an early age, which leads to joint pain and limited mobility. - Endocrine and Psychological: A Double Blow
Women are prone to polycystic ovary syndrome (PCOS), which causes irregular menstruation and infertility. Men may experience decreased testosterone levels. Meanwhile, obesity is often accompanied by psychological issues such as low self-esteem and anxiety, forming a vicious cycle of “obesity → poor mood → greater tendency to gain weight”.
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