Isabel O. Bierhals

Criciuma, SC, Brazil

Last Updated: 09/26/2026

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Found 30 publications

Prevalence of first sexual intercourse before age 14 and forced sexual intercourse in the 2004 Pelotas Birth Cohort.

Prevalence of first sexual intercourse before age 14 and forced sexual intercourse in the 2004 Pelotas Birth Cohort.

Journal: Jornal de pediatria

Published: February 06, 2026

Sleep duration and efficiency from 6 to 18 years of age in a birth cohort.

Sleep duration and efficiency from 6 to 18 years of age in a birth cohort.

Journal: Sleep medicine

Published: October 13, 2025

Breastfeeding, early-life feeding practices and adolescent gut microbiota: long-term associations in a birth cohort.

Breastfeeding, early-life feeding practices and adolescent gut microbiota: long-term associations in a birth cohort.

Journal: Clinical nutrition ESPEN

Published: August 19, 2025

Breastfeeding, early-life feeding practices and adolescent gut microbiota: Long-term associations in a birth cohort.

Breastfeeding, early-life feeding practices and adolescent gut microbiota: Long-term associations in a birth cohort.

Journal: Clinical nutrition ESPEN

Published: August 19, 2025

Role of gestational age and intrauterine growth on bone mass in adolescents: findings from a Brazilian Birth Cohort Study.

Role of gestational age and intrauterine growth on bone mass in adolescents: findings from a Brazilian Birth Cohort Study.

Journal: Archives of osteoporosis

Published: January 28, 2025

Hair cortisol concentration and mental health during childhood and adolescence: evidence that higher cortisol concentration is associated with externalizing problems in a large Brazilian population-based birth cohort.

Hair cortisol concentration and mental health during childhood and adolescence: evidence that higher cortisol concentration is associated with externalizing problems in a large Brazilian population-based birth cohort.

Journal: European child & adolescent psychiatry

Published: October 21, 2024

Prevalence of pneumonia in early childhood and associated factors in a location with high pneumococcal vaccination coverage.

Prevalence of pneumonia in early childhood and associated factors in a location with high pneumococcal vaccination coverage.

Journal: Cadernos de saude publica

Published: September 09, 2024

Exploring the bidirectional associations of ADHD symptomatology, nutritional status, and body composition in childhood: evidence from a Brazilian Birth Cohort Study.

Exploring the bidirectional associations of ADHD symptomatology, nutritional status, and body composition in childhood: evidence from a Brazilian Birth Cohort Study.

Journal: International journal of obesity (2005)

Published: June 21, 2024

Exploring the relationship between ultra-processed food consumption and gut microbiota at school age in a Brazilian birth cohort.

Exploring the relationship between ultra-processed food consumption and gut microbiota at school age in a Brazilian birth cohort.

Journal: Cadernos de saude publica

Published: May 22, 2024

Mental health from childhood to adolescence predicts excessive weight and body composition at 18 years.

Mental health from childhood to adolescence predicts excessive weight and body composition at 18 years.

Journal: Nutrition (Burbank, Los Angeles County, Calif.)

Published: February 28, 2024

Variation in ultra-processed food consumption from 6 to 15 years, body weight and body composition at 15 years of age at The Pelotas 2004 Birth Cohort.

Variation in ultra-processed food consumption from 6 to 15 years, body weight and body composition at 15 years of age at The Pelotas 2004 Birth Cohort.

Journal: Pediatric obesity

Published: May 16, 2023

Relationship between sleep problems and headaches among adolescents: Pelotas 2004 Birth cohort.

Relationship between sleep problems and headaches among adolescents: Pelotas 2004 Birth cohort.

Journal: Sleep medicine: X

Published: May 05, 2023

Showing 1-12 of 30

Last Updated: 09/26/2026