Lawrence D. Hammer

Professor of Pediatrics (General Pediatrics) at the Lucile Salter Packard Children's Hospital

Professional Education

Board Certification: Pediatrics, American Board of Pediatrics (1980)

Residency: Stanford University School of Medicine (1980) CA

Residency: Stanford University School of Medicine (1979) CA

Fellowship: The Children's Hospital of Philadelphia (1982) PA

Internship: Stanford University School of Medicine (1979) CA

Medical Education: Johns Hopkins University School of Medicine (1976) MD

M. D., Johns Hopkins University (1976)

Honors & Awards

Kaiser Award for Excellence in Clinical Teaching, Stanford University School of Medicine (1986)

Administrative Appointments

Medical Director, Ambulatory Services, Lucile Packard Children's Hospital (1991 - 2012)

Chief, Division of General Pediatrics, Department of Pediatrics (1985 - 1995)

Improving Healthy Eating in Families With a Toddler at Risk for Overweight: A Cluster Randomized Controlled Trial
Agras, W. S., Hammer, L. D., Huffman, L. C., Mascola, A., Bryson, S. W., & Danaher, C. (2012). Improving Healthy Eating in Families With a Toddler at Risk for Overweight: A Cluster Randomized Controlled Trial. JOURNAL OF DEVELOPMENTAL AND BEHAVIORAL PEDIATRICS, 33(7), 529-534.

Puberty and gender interact to predict social anxiety symptoms in early adolescence
Deardorff, J., Hayward, C., Wilson, K. A., Bryson, S., Hammer, L. D., & Agras, S. (2007). Puberty and gender interact to predict social anxiety symptoms in early adolescence. JOURNAL OF ADOLESCENT HEALTH, 41(1), 102-104.

Childhood risk factors for thin body preoccupation and social pressure to be thin
Agras, W. S., Bryson, S., Hammer, L. D., & Kraemer, H. C. (2007). Childhood risk factors for thin body preoccupation and social pressure to be thin. JOURNAL OF THE AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY, 46(2), 171-178.

Methamphetamine use following bariatric surgery in an adolescent
Dutta, S., Morton, J., Shepard, E., Peebles, R., Farrales-Nguyen, S., & Albanese, C. T. (2006). Methamphetamine use following bariatric surgery in an adolescent. OBESITY SURGERY, 16(6), 780-782.

The relationship between parental factors at infancy and parent-reported control over children's eating at age 7
Duke, R. E., Bryson, S., Hammer, L. D., & Agras, W. S. (2004). The relationship between parental factors at infancy and parent-reported control over children's eating at age 7. APPETITE, 43(3), 247-252.

Risk factors for childhood overweight: A prospective study from birth to 9.5 years
Agras, W. S., Hammer, L. D., McNicholas, F., & Kraemer, H. C. (2004). Risk factors for childhood overweight: A prospective study from birth to 9.5 years. JOURNAL OF PEDIATRICS, 145(1), 20-25.

Behavioral validation, precursors, and concomitants of picky eating in childhood
Jacobi, C., Agras, W. S., Bryson, S., & Hammer, L. D. (2003). Behavioral validation, precursors, and concomitants of picky eating in childhood. JOURNAL OF THE AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY, 42(1), 76-84.

Early body mass index and other anthropometric relationships between parents and children
Safer, D. L., Agras, W. S., Bryson, S., & Hammer, L. D. (2001). Early body mass index and other anthropometric relationships between parents and children. INTERNATIONAL JOURNAL OF OBESITY, 25(10), 1532-1536.

Prolonged bottle feeding in a cohort of children: Does it affect caloric intake and dietary composition?
Safer, D. L., Bryson, S., Agras, W. S., & Hammer, L. D. (2001). Prolonged bottle feeding in a cohort of children: Does it affect caloric intake and dietary composition?. CLINICAL PEDIATRICS, 40(9), 481-487.

Predicting children's reported eating disturbances at 8 years of age
Jacobi, C., Agras, W. S., & Hammer, L. (2001). Predicting children's reported eating disturbances at 8 years of age. JOURNAL OF THE AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY, 40(3), 364-372.

Risk factors for the emergence of childhood eating disturbances: A five-year prospective study
Stice, E., Agras, W. S., & Hammer, L. D. (1999). Risk factors for the emergence of childhood eating disturbances: A five-year prospective study. INTERNATIONAL JOURNAL OF EATING DISORDERS, 25(4), 375-387.

A prospective study of the influence of eating-disordered mothers on their children
Agras, S., Hammer, L., & McNicholas, F. (1999). A prospective study of the influence of eating-disordered mothers on their children. INTERNATIONAL JOURNAL OF EATING DISORDERS, 25(3), 253-262.

Can mothers influence their child's eating behavior?
Drucker, R. R., Hammer, L. D., Agras, W. S., & Bryson, S. (1999). Can mothers influence their child's eating behavior?. JOURNAL OF DEVELOPMENTAL AND BEHAVIORAL PEDIATRICS, 20(2), 88-92.

Development of feeding practices during the first 5 years of life
Hammer, L. D., Bryson, S., & Agras, W. S. (1999). Development of feeding practices during the first 5 years of life. ARCHIVES OF PEDIATRICS & ADOLESCENT MEDICINE, 153(2), 189-194.

Prospective study of risk factors for the initiation of cigarette smoking
Killen, J. D., Robinson, T. N., Haydel, K. F., Hayward, C., Wilson, D. M., & Taylor, C. B. (1997). Prospective study of risk factors for the initiation of cigarette smoking. JOURNAL OF CONSULTING AND CLINICAL PSYCHOLOGY, 65(6), 1011-1016.

Psychiatric risk associated with early puberty in adolescent girls
Hayward, C., Killen, J. D., Wilson, D. M., Hammer, L. D., Litt, I. F., & Taylor, C. B. (1997). Psychiatric risk associated with early puberty in adolescent girls. JOURNAL OF THE AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY, 36(2), 255-262.

Ethnicity and body dissatisfaction: Are Hispanic and Asian girls at increased risk for eating disorders?
Robinson, T. N., Killen, J. D., Litt, I. F., Hammer, L. D., Wilson, D. M., & Taylor, C. B. (1996). Ethnicity and body dissatisfaction: Are Hispanic and Asian girls at increased risk for eating disorders?. JOURNAL OF ADOLESCENT HEALTH, 19(6), 384-393.

Weight concerns influence the development of eating disorders: A 4-year prospective study
Killen, J. D., Taylor, C. B., Hayward, C., Haydel, K. F., Wilson, D. M., & Strachowski, D. (1996). Weight concerns influence the development of eating disorders: A 4-year prospective study. JOURNAL OF CONSULTING AND CLINICAL PSYCHOLOGY, 64(5), 936-940.

Predicting onset of drinking in a community sample of adolescents: The role of expectancy and temperament
Killen, J. D., Hayward, C., Wilson, D. M., Haydel, K. F., Robinson, T. N., & Varady, A. (1996). Predicting onset of drinking in a community sample of adolescents: The role of expectancy and temperament. ADDICTIVE BEHAVIORS, 21(4), 473-480.

SCHOOL REFUSAL IN YOUNG ADOLESCENT GIRLS WITH NONCLINICAL PANIC ATTACKS
Hayward, C., Taylor, C. B., BLAIRGREINER, A., Strachowski, D., Killen, J. D., & Hammer, L. D. (1995). SCHOOL REFUSAL IN YOUNG ADOLESCENT GIRLS WITH NONCLINICAL PANIC ATTACKS. JOURNAL OF ANXIETY DISORDERS, 9(4), 329-338.

BREAST-FEEDING ATTITUDES AND KNOWLEDGE OF PEDIATRICIANS-IN-TRAINING
Williams, E. L., & Hammer, L. D. (1995). BREAST-FEEDING ATTITUDES AND KNOWLEDGE OF PEDIATRICIANS-IN-TRAINING. AMERICAN JOURNAL OF PREVENTIVE MEDICINE, 11(1), 26-33.

Pursuit of thinness and onset of eating disorder symptoms in a community sample of adolescent girls: a three-year prospective analysis.
Killen, J. D., Taylor, C. B., Hayward, C., Wilson, D. M., Haydel, K. F., & Varady, A. (1994). Pursuit of thinness and onset of eating disorder symptoms in a community sample of adolescent girls: a three-year prospective analysis. International journal of eating disorders, 16(3), 227-238.

TIMING AND RATE OF SEXUAL-MATURATION AND THE ONSET OF CIGARETTE AND ALCOHOL-USE AMONG TEENAGE GIRLS
Wilson, D. M., Killen, J. D., Hayward, C., Robinson, T. N., Hammer, L. D., & Taylor, C. B. (1994). TIMING AND RATE OF SEXUAL-MATURATION AND THE ONSET OF CIGARETTE AND ALCOHOL-USE AMONG TEENAGE GIRLS. ARCHIVES OF PEDIATRICS & ADOLESCENT MEDICINE, 148(8), 789-795.

FACTORS ASSOCIATED WITH EATING DISORDER SYMPTOMS IN A COMMUNITY SAMPLE OF 6TH AND 7TH GRADE GIRLS
Killen, J. D., Hayward, C., Wilson, D. M., Taylor, C. B., Hammer, L. D., & Haydel, F. (1994). FACTORS ASSOCIATED WITH EATING DISORDER SYMPTOMS IN A COMMUNITY SAMPLE OF 6TH AND 7TH GRADE GIRLS. INTERNATIONAL JOURNAL OF EATING DISORDERS, 15(4), 357-367.

AN ATTEMPT TO MODIFY UNHEALTHFUL EATING ATTITUDES AND WEIGHT REGULATION PRACTICES OF YOUNG ADOLESCENT GIRLS
Killen, J. D., Taylor, C. B., Hammer, L. D., Litt, I., Wilson, D. M., & Varady, A. (1993). AN ATTEMPT TO MODIFY UNHEALTHFUL EATING ATTITUDES AND WEIGHT REGULATION PRACTICES OF YOUNG ADOLESCENT GIRLS. INTERNATIONAL JOURNAL OF EATING DISORDERS, 13(4), 369-384.

DOES TELEVISION VIEWING INCREASE OBESITY AND REDUCE PHYSICAL-ACTIVITY - CROSS-SECTIONAL AND LONGITUDINAL ANALYSES AMONG ADOLESCENT GIRLS
Robinson, T. N., Hammer, L. D., Killen, J. D., Kraemer, H. C., Wilson, D. M., & Taylor, C. B. (1993). DOES TELEVISION VIEWING INCREASE OBESITY AND REDUCE PHYSICAL-ACTIVITY - CROSS-SECTIONAL AND LONGITUDINAL ANALYSES AMONG ADOLESCENT GIRLS. PEDIATRICS, 91(2), 273-280.

PUBERTAL STAGE AND PANIC ATTACK HISTORY IN 6TH-GRADE AND 7TH-GRADE GIRLS
Hayward, C., Killen, J. D., Hammer, L. D., Litt, I. F., Wilson, D. M., & Taylor, C. B. (1992). PUBERTAL STAGE AND PANIC ATTACK HISTORY IN 6TH-GRADE AND 7TH-GRADE GIRLS. AMERICAN JOURNAL OF PSYCHIATRY, 149(9), 1239-1243.

THE DEVELOPMENT OF EATING BEHAVIOR IN CHILDHOOD
Hammer, L. D. (1992). THE DEVELOPMENT OF EATING BEHAVIOR IN CHILDHOOD. PEDIATRIC CLINICS OF NORTH AMERICA, 39(3), 379-394.

INSULIN-LIKE GROWTH-FACTOR BINDING PROTEIN-3 IN NORMAL PUBERTAL GIRLS
Wilson, D. M., STENE, M. A., Killen, J. D., Hammer, L. D., Litt, I. F., & Taylor, C. B. (1992). INSULIN-LIKE GROWTH-FACTOR BINDING PROTEIN-3 IN NORMAL PUBERTAL GIRLS. ACTA ENDOCRINOLOGICA, 126(5), 381-386.

IS PUBERTY A RISK FACTOR FOR EATING DISORDERS
Killen, J. D., Hayward, C., Litt, I., Hammer, L. D., Wilson, D. M., & Shisslak, C. (1992). IS PUBERTY A RISK FACTOR FOR EATING DISORDERS. AMERICAN JOURNAL OF DISEASES OF CHILDREN, 146(3), 323-325.

Advances in behavioral pediatrics
Hammer, Ld. (1992). Advances in behavioral pediatrics. Current opinion in Psychiatry, 5(6).

INSULIN-LIKE GROWTH FACTOR-I AS A REFLECTION OF BODY-COMPOSITION, NUTRITION, AND PUBERTY IN 6TH AND 7TH GRADE GIRLS
Wilson, D. M., Killen, J. D., Hammer, L. D., Litt, I. F., VOSTI, C., & Taylor, C. B. (1991). INSULIN-LIKE GROWTH FACTOR-I AS A REFLECTION OF BODY-COMPOSITION, NUTRITION, AND PUBERTY IN 6TH AND 7TH GRADE GIRLS. JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, 73(4), 907-912.

IMPACT OF PUBERTAL DEVELOPMENT ON BODY-FAT DISTRIBUTION AMONG WHITE, HISPANIC, AND ASIAN FEMALE ADOLESCENTS
Hammer, L. D., Wilson, D. M., Litt, I. F., Killen, J. D., Hayward, C., & Taylor, C. B. (1991). IMPACT OF PUBERTAL DEVELOPMENT ON BODY-FAT DISTRIBUTION AMONG WHITE, HISPANIC, AND ASIAN FEMALE ADOLESCENTS. JOURNAL OF PEDIATRICS, 118(6), 975-980.

STANDARDIZED PERCENTILE CURVES OF BODY-MASS INDEX FOR CHILDREN AND ADOLESCENTS
Hammer, L. D., Kraemer, H. C., Wilson, D. M., Ritter, P. L., & DORNBUSCH, S. M. (1991). STANDARDIZED PERCENTILE CURVES OF BODY-MASS INDEX FOR CHILDREN AND ADOLESCENTS. AMERICAN JOURNAL OF DISEASES OF CHILDREN, 145(3), 259-263.

INFLUENCE OF EARLY FEEDING STYLE ON ADIPOSITY AT 6 YEARS OF AGE
Agras, W. S., Kraemer, H. C., Berkowitz, R. I., & Hammer, L. D. (1990). INFLUENCE OF EARLY FEEDING STYLE ON ADIPOSITY AT 6 YEARS OF AGE. JOURNAL OF PEDIATRICS, 116(5), 805-809.

RELATIONSHIPS BETWEEN THE EATING BEHAVIORS OF PARENTS AND THEIR 18-MONTH-OLD CHILDREN - A LABORATORY STUDY
Agras, W. S., Berkowitz, R. I., HAMMER, L. C., & Kraemer, H. C. (1988). RELATIONSHIPS BETWEEN THE EATING BEHAVIORS OF PARENTS AND THEIR 18-MONTH-OLD CHILDREN - A LABORATORY STUDY. INTERNATIONAL JOURNAL OF EATING DISORDERS, 7(4), 461-468.

ELEVATED SERUM IRON CONCENTRATION IN ADOLESCENT ALCOHOL USERS
Friedman, I. M., Kraemer, H. C., Mendoza, F. S., & Hammer, L. D. (1988). ELEVATED SERUM IRON CONCENTRATION IN ADOLESCENT ALCOHOL USERS. AMERICAN JOURNAL OF DISEASES OF CHILDREN, 142(2), 156-159.

GROWTH-CURVES AND ADULT HEIGHT ESTIMATION FOR ADOLESCENTS
Wilson, D. M., Kraemer, H. C., Ritter, P. L., & Hammer, L. D. (1987). GROWTH-CURVES AND ADULT HEIGHT ESTIMATION FOR ADOLESCENTS. AMERICAN JOURNAL OF DISEASES OF CHILDREN, 141(5), 565-570.

DOES A VIGOROUS FEEDING STYLE INFLUENCE EARLY DEVELOPMENT OF ADIPOSITY
Agras, W. S., Kraemer, H. C., Berkowitz, R. I., Korner, A. F., & Hammer, L. D. (1987). DOES A VIGOROUS FEEDING STYLE INFLUENCE EARLY DEVELOPMENT OF ADIPOSITY. JOURNAL OF PEDIATRICS, 110(5), 799-804.

GROWTH AND INTELLECTUAL-DEVELOPMENT
Wilson, D. M., Hammer, L. D., Duncan, P. M., DORNBUSCH, S. M., Ritter, P. L., & Rosenfeld, R. G. (1986). GROWTH AND INTELLECTUAL-DEVELOPMENT. PEDIATRICS, 78(4), 646-650.