jointhealth

Health researchers have found a strong connection between obesity and the need for joint surgery, especially knee and hip replacements. Excess body weight puts continuous pressure on joints, which speeds up cartilage wear and increases the risk of osteoarthritis. Studies show that people with obesity are significantly more likely to experience severe joint pain and mobility issues that do not improve with medication alone. Over time, this damage often leads doctors to recommend joint replacement surgery. Researchers also note that obesity-related inflammation may further worsen joint degeneration. Maintaining a healthy weight is now considered a key strategy for reducing joint damage and delaying surgery.

Research & Medical References:

NIH (National Institutes of Health): Obesity increases mechanical stress on weight-bearing joints and accelerates osteoarthritis progression.

Arthritis Foundation: Obesity is one of the strongest risk factors for knee osteoarthritis and joint replacement surgery.

Journal of Bone and Joint Surgery: Long-term studies show higher joint replacement rates among obese adults.

Book Reference:

Osteoarthritis: Diagnosis and Medical/Surgical Management

Author: Roland W. Moskowitz et al.

Publisher: Wolters Kluwer Discusses obesity as a major contributor to joint degeneration and surgical outcomes.

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Research shows that added sugar not natural sugars in fruits can promote chronic systemic inflammation, which is tied to worsening joint health and conditions like osteoarthritis. A 2024 PLOS ONE study using NHANES (USA national health data) found that adults with the highest amounts of added sugar intake had significantly higher prevalence of osteoarthritis — a major reason many people eventually need knee surgery.

In nutrition science, this pattern of harm from excessive sugar has been discussed historically, including in books like Pure, White and Deadly by John Yudkin, which examines how high sugar consumption contributes to inflammation and metabolic problems (Penguin Books, 2012). While the book itself doesn’t cover knee surgery directly, it provides a foundational view on how sugar can worsen chronic diseases linked to inflammation, an underlying driver in osteoarthritis progression. Study reference: Xiaolong Liao et al., Added sugars and risk of osteoarthritis in adults: A case-control study based on NHANES 2007–2018, PLOS ONE, 2024.

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