Background: The prevalence of overweight and obesity among older adults is clearly increasing. The serious public health consequences (e.g., premature mortality, co-morbidities such as diabetes, hospitalization, and heart failures)   Aim: To find the relation between obesity and other chronic diseases among home health care patients.   Methodology: A file based comparative case control study among 200 of obese patients versus 200 non obese all under the umbrella of home health care at Armed Forces Hospitals Southern Region, Saudi Arabia, 2019.  Results: Regarding DM higher prevalence among obese, (P 0.004) with higher risk among obese, odds ratio 1.8[1.2:2.7].Hyper tension also showed significant difference with higher risk of incidence among obese OR 1.55[1.02:2.35], Although bronchial asthma showed no significant difference among both groups but higher risk OR 1.97 among obese. Hyperlipidemia also showed significant difference and higher risk among obese OR 2.02[1.83:2.2].   Conclusion: Obesity among elderly leads to increased risk of diseases as DM, Hypertension, thyroid disorders, Bronchial asthma, Arthritis, liver disease and hyperlipidemia while lower risk of osteoporosis, and prostatic enlargement and some neurological disorders like depression and dementia and parkinsonism.
                                
                                
                                    
                                    Home Health Care, Chronic Diseases, Elderly, Co-morbidity
                                
                                
                                
                                
                                    
                                        
                                        
                                        
                                        
                                            
                                                
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