Scoliosis does not directly make you gain or lose weight, but weight and scoliosis are linked in both directions. Girls with adolescent idiopathic scoliosis tend to have a lower body mass index (BMI): a meta-analysis by Bae and colleagues found BMI 1.53 kg/m² lower than in controls. A Mendelian randomization study by Otomo and colleagues, using genetic data from more than 100,000 people, found that genetically lower BMI raised the risk of developing scoliosis, while scoliosis did not change BMI. At the other end, a meta-analysis of 12 surgical studies found higher BMI was associated with more complications and larger curves at surgery.
I am Dr. Justin Dick, DC, at Clear Life Scoliosis and Chiropractic Center in Charlotte, NC. Weight questions come up with teens, parents, and adults, and the answers differ for each group.
Lower BMI in Teens With Scoliosis
Bae and colleagues pooled six studies of girls with scoliosis and controls. Along with lower BMI, the scoliosis group had higher soluble leptin receptor levels; leptin itself did not differ. Otomo's genetic analysis used Japanese (5,327 cases, 73,884 controls) and US (1,468 cases, 20,158 controls) cohorts and found a causal effect of lower BMI on scoliosis risk with no reverse effect. Mendelian randomization reduces confounding, but it estimates the effect of lifelong genetic tendency. It does not show that dieting or weight gain changes a particular child's curve, and I do not advise weight change as scoliosis treatment.
Higher Weight and Late Detection
Maroun and colleagues' meta-analysis found that adolescents with higher BMI arrived at surgery with larger curves and more thoracic kyphosis, and the authors suggested curves may be less visible in heavier patients, delaying diagnosis. A 2024 prevalence meta-analysis by Li and colleagues of 32 studies listed BMI among predictors and named overweight children as a group affected. These findings point in a different direction from the low-BMI data, and both may be true in different populations. What they agree on is that screening by appearance alone misses curves. My post on home scoliosis screening covers the forward bend test.
Weight and Surgery
In Maroun's 12 retrospective studies, normal-BMI patients had fewer complications (odds ratio 0.44), fewer readmissions (0.39), fewer wound complications (0.32), and shorter operations. Part of that difference may come from the larger curves in heavier patients.
Weight and Bracing
Sapienza and colleagues reviewed 17 studies of 1,716 braced adolescents and found higher BMI was associated with poorer brace compliance. Fit is part of the reason; a brace that shifts or pinches gets taken off. That is clinical reasoning.
Weight Loss in Adults With Scoliosis
Unexplained weight loss in an adult with back pain is a standard red flag for conditions unrelated to scoliosis and needs medical evaluation. My post on spine emergencies lists the other warning signs.
How Dr. Justin Dick, DC Addresses Weight at Clear Life
At our Charlotte office, height and weight are recorded at every scoliosis evaluation, curves in heavier patients are confirmed on standing radiographs and not by appearance, and brace fit is reviewed when weight changes. Nutrition questions go to the child's physician or a dietitian.
Comparison
| Question | Finding | Source |
|---|---|---|
| BMI in girls with scoliosis | 1.53 kg/m² lower than controls | Bae 2019, 6 studies |
| Does low BMI cause scoliosis? | Genetic data support a causal effect; no reverse effect | Otomo 2023 |
| Higher BMI and surgery | More complications, larger curves | Maroun 2025, 12 studies |
| Higher BMI and bracing | Poorer compliance | Sapienza 2026, 17 studies |
Research and Evidence
Evidence tiering: Bae, Maroun, Li, and Sapienza are meta-analyses or systematic reviews of observational studies; Otomo is a Mendelian randomization study. None tests whether changing weight changes a curve. Statements on brace fit and nutrition referral are clinical reasoning.
My own published work concerns adolescent curve management. The Lenke 5C case report, A Non-surgical Multimodal Approach to Adolescent Idiopathic Scoliosis (Lenke 5C) Using an Intensive Two-Week CLEAR Institute Protocol: A Report of Two Cases (Cureus, 2026, PMID 41640942), describes two adolescents and does not study weight.
References
- Bae SH, Goh TS, Kim DS, Lee JS. Leptin in adolescent idiopathic scoliosis: a meta-analysis. J Clin Neurosci. 2019;71:124-128. doi:10.1016/j.jocn.2019.08.106
- Otomo N, Khanshour AM, Koido M, et al. Evidence of causality of low body mass index on risk of adolescent idiopathic scoliosis: a Mendelian randomization study. Front Endocrinol (Lausanne). 2023;14:1089414. doi:10.3389/fendo.2023.1089414
- Maroun R, Daher M, Sleem B, et al. Does an increased preoperative body mass index (BMI) affect adolescent idiopathic scoliosis surgery outcomes and complications? A meta-analysis. Spine Deform. 2025;13(4):1007-1017. doi:10.1007/s43390-025-01068-1
- Li M, Nie Q, Liu J, Jiang Z. Prevalence of scoliosis in children and adolescents: a systematic review and meta-analysis. Front Pediatr. 2024;12:1399049. doi:10.3389/fped.2024.1399049
- Sapienza M, Vaccalluzzo MS, Perricone E, et al. Clinical, psychological, and social determinants of brace compliance in adolescent idiopathic scoliosis: a systematic review and meta-analysis. J Funct Morphol Kinesiol. 2026;11(1):68. doi:10.3390/jfmk11010068
- Whelan J, Paige P, Dick JM. A non-surgical multimodal approach to adolescent idiopathic scoliosis (Lenke 5C) using an intensive two-week CLEAR Institute protocol: a report of two cases. Cureus. 2026;18(1):e102006. doi:10.7759/cureus.102006
Frequently Asked Questions
Does scoliosis make you lose weight?
No study shows scoliosis causes weight loss. Girls with scoliosis tend to have lower BMI, and genetic data suggest lower BMI raises scoliosis risk, not the reverse.
Are thin girls more likely to have scoliosis?
Lower BMI is associated with adolescent idiopathic scoliosis. A meta-analysis found BMI about 1.5 kg/m² lower in girls with scoliosis than controls.
Can being overweight hide scoliosis?
It can. A meta-analysis found heavier adolescents arrived at surgery with larger curves, and the authors suggested curves are less visible in heavier patients.
Does weight affect scoliosis surgery?
Yes. Higher BMI was associated with more complications, readmissions, and wound problems in 12 surgical studies.
Should my child gain or lose weight to help scoliosis?
No evidence shows weight change treats a curve. Dr. Justin Dick, DC at Clear Life Scoliosis in Charlotte, NC refers nutrition questions to the child's physician or a dietitian.
Where can I get scoliosis evaluated in Charlotte, NC?
Clear Life Scoliosis and Chiropractic Center, 8814 Rachel Freeman Way, Suite 103, Charlotte, NC 28278, provides radiographic scoliosis evaluation with Dr. Justin Dick, DC. Call 980-368-0766.
Service Area
Clear Life Scoliosis and Chiropractic Center sees patients from Charlotte NC, Huntersville NC, Ballantyne NC, Matthews NC, Concord NC, Mooresville NC, Rock Hill SC, Fort Mill SC. Families from across the Charlotte region and the South Carolina border communities come to the Rachel Freeman Way office for radiographic scoliosis evaluation with Dr. Justin Dick, DC.
Related Pages
- Home Scoliosis Screening
- Early Signs of Scoliosis
- Scoliosis Surgery Risks and Outcomes
- Bracing for Scoliosis
- Full-Time vs Nighttime Braces
- Getting Shorter With Age
- For Parents of Teens With Scoliosis
- What Causes Scoliosis
- Scoliosis Care Program
- Dr. Justin Dick, DC Research
Schedule an Evaluation in Charlotte
If weight has come up in your child's scoliosis care, it belongs in the same conversation as growth and curve size. Dr. Justin Dick, DC covers both at our Charlotte office.
Dr. Justin Dick, DC · ORCID 0009-0001-2794-2159
8814 Rachel Freeman Way, Suite 103, Charlotte, NC 28278
Phone: 980-368-0766 · Email: office@clearlifescoliosis.com
clearlifescoliosis.com · Book online
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