What are some concerns about intentional weight loss in obese older adults?

• A. Sarcopenic obesity, frailty, bone and lean tissue loss, functional decline
• B. Improved mobility
• C. Increased endurance
• D. Enhanced bone density

Answer: (A)

Intentional weight loss in obese older adults raises concerns because fat loss can come with loss of lean tissue and bone, which can worsen frailty and functional ability. As people age, muscle mass and bone density naturally decline; applying caloric restriction without strategies to preserve or rebuild muscle—like adequate protein and resistance training—can accelerate this, leading to sarcopenic obesity (loss of muscle with fat loss), greater weakness, slower movement, and higher risk of falls. Bone mineral density can also drop with insufficient nutrients and activity, increasing fracture risk. Taken together, these changes can lead to functional decline and reduced independence. While weight loss can improve some metabolic factors, preserving lean mass and bone is crucial to avoid these adverse outcomes.