Obesity and Its Complications
What is Obesity?
Obesity is a medical condition in which excess body fat accumulates to a level that may negatively affect health. It is commonly assessed using Body Mass Index (BMI).
BMI 25–29.9 → Overweight
BMI ≥30 → Obesity
Obesity results from a combination of excess calorie intake, low physical activity, genetics, hormonal factors, and lifestyle habits.
Complications of Obesity
Obesity can affect almost every system of the body.
1. Cardiovascular Complications ❤️
Hypertension (high blood pressure)
Coronary Artery Disease
Heart Failure
Stroke
Increased cholesterol and triglycerides
These conditions increase the risk of heart attack and premature death.
2. Metabolic Complications
Type 2 Diabetes
Metabolic Syndrome
Dyslipidemia (abnormal lipid levels)
Excess fat, especially abdominal fat, causes insulin resistance.
3. Respiratory Complications 🫁
Obstructive Sleep Apnea
Obesity Hypoventilation Syndrome
Shortness of breath during physical activity
Fat deposits around the neck and chest can affect breathing.
4. Musculoskeletal Complications
Osteoarthritis (especially knee and hip)
Back pain
Joint degeneration
Extra weight increases mechanical stress on joints.
5. Gastrointestinal Complications
Nonalcoholic Fatty Liver Disease
Gastroesophageal Reflux Disease
Gallstones
6. Reproductive and Hormonal Complications
Polycystic Ovary Syndrome (in women)
Infertility
Pregnancy complications
Erectile dysfunction in men
7. Cancer Risk
Obesity increases the risk of several cancers:
Breast cancer
Colon cancer
Endometrial cancer
Pancreatic cancer
8. Psychological Complications 🧠
Depression
Anxiety Disorder
Low self-esteem
Social stigma
Other Effects
Reduced quality of life
Reduced mobility
Increased risk of severe infections
Shorter life expectancy
✅ Prevention and Management
Balanced diet
Regular physical activity
Weight management programs
Behavioral therapy
In severe cases: medications or bariatric surgery
