Brazil nuts intake improves lipid profile, oxidative stress and microvascular function in obese adolescents: a randomized controlled trial
2011

Brazil Nuts Improve Health in Obese Teens

Sample size: 17 publication 10 minutes Evidence: moderate

Author Information

Author(s): Maranhão Priscila A, Kraemer-Aguiar Luiz G, de Oliveira Cecilia L, Kuschnir Maria CC, Vieira Yasmine R, Souza Maria GC, Koury Josely C, Bouskela Eliete

Primary Institution: Clinical and Experimental Research Laboratory in Vascular Biology - BioVasc, Brazil

Hypothesis

Does the intake of Brazil nuts improve lipid profiles, oxidative stress, and microvascular function in obese adolescents?

Conclusion

Brazil nuts intake improved the lipid profile and microvascular function in obese adolescents.

Supporting Evidence

  • Brazil nuts increased selenium levels and reduced total and LDL-cholesterol.
  • Functional capillary density and red blood cell velocity improved in the Brazil nut group.
  • Adolescents in the Brazil nut group had lower triglycerides compared to the placebo group.

Takeaway

Eating Brazil nuts can help make the blood and tiny blood vessels in overweight teens healthier.

Methodology

Seventeen obese female adolescents were randomized into two groups: one received Brazil nuts and the other a placebo for 16 weeks, with various health parameters measured before and after.

Potential Biases

The study was not blinded, which may introduce bias.

Limitations

The small sample size limits the generalizability of the findings.

Participant Demographics

Seventeen obese female adolescents aged 15.4 ± 2.0 years with a BMI of 35.6 ± 3.3 kg/m2.

Statistical Information

P-Value

0.02

Confidence Interval

null

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1743-7075-8-32

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication