Speakman, John R.

Body size, energy metabolism and lifespan

Speakman, J. R. (2005) · Journal of Experimental Biology

Physiological and biochemical adaptationsGenetics, Aging, and Longevity in Model Organisms

Cited by 914

A guide to analysis of mouse energy metabolism

Tschöp, M. H., Speakman, J. R., Arch, J. R. S., Auwerx, J., Brüning, J. C., Chan, L., Eckel, R. H., Farese, R. V., Galgani, J. E., Hambly, C., et al. (2012) · Nature Methods

Regulation of Appetite and ObesityAdipose Tissue and Metabolism

Cited by 813

Uncoupled and surviving: individual mice with high metabolism have greater mitochondrial uncoupling and live longer

Speakman, J. R., Talbot, D. A., Selman, C., Snart, S., McLaren, J. S., Redman, P., Krol, E., Jackson, D. M., Johnson, M. S., & Brand, M. D. (2004) · Aging Cell

Genetics, Aging, and Longevity in Model OrganismsMitochondrial Function and Pathology

Cited by 761

Energy balance and its components: implications for body weight regulation

Hall, K. D., Heymsfield, S. B., Kemnitz, J. W., Klein, S., Schoeller, D. A., & Speakman, J. R. (2012) · The American Journal of Clinical Nutrition

Regulation of Appetite and ObesityObesity, Physical Activity, Diet

Cited by 721

Daily energy expenditure through the human life course

Pontzer, H., Yamada, Y., Sagayama, H., Ainslie, P. N., Andersen, L. F., Anderson, L. J., Arab, L., Baddou, I., Bedu-Addo, K., Blaak, E. E., et al. (2021) · Science

Body Composition Measurement TechniquesNutrition and Health Studies

Cited by 583

Energy balance measurement: when something is not better than nothing

Dhurandhar, N. V., Schoeller, D., Brown, A. W., Heymsfield, S. B., Thomas, D., Sørensen, T. I. A., Speakman, J. R., Jeansonne, M., Allison, D. B., & the Energy Balance Measurement Working Group (2015) · International Journal of Obesity

Obesity, Physical Activity, DietPhysical Activity and Health

Cited by 567

Evidence for lifespan extension and delayed age–related biomarkers in insulin receptor substrate 1 null mice

Selman, C., Lingard, S., Choudhury, A. I., Batterham, R. L., Claret, M., Clements, M., Ramadani, F., Okkenhaug, K., Schuster, E., Blanc, E., et al. (2008) · The FASEB Journal

Genetics, Aging, and Longevity in Model OrganismsGrowth Hormone and Insulin-like Growth Factors

Cited by 532

Factors influencing variation in basal metabolic rate include fat-free mass, fat mass, age, and circulating thyroxine but not sex, circulating leptin, or triiodothyronine

Johnstone, A. M., Murison, S. D., Duncan, J. S., Rance, K. A., & Speakman, J. R. (2005) · The American Journal of Clinical Nutrition

Regulation of Appetite and ObesityBody Composition Measurement Techniques

Cited by 514

Physical activity and resting metabolic rate

Speakman, J. R., & Selman, C. (2003) · Proceedings of The Nutrition Society

Cardiovascular and exercise physiologyPhysical Activity and Health

Cited by 441

Thrifty genes for obesity, an attractive but flawed idea, and an alternative perspective: the ‘drifty gene’ hypothesis

Speakman, J. R. (2008) · International Journal of Obesity

Evolution and Genetic DynamicsObesity, Physical Activity, Diet

Cited by 361

The energy balance model of obesity: beyond calories in, calories out

Hall, K. D., Farooqi, I. S., Friedman, J. M., Klein, S., Loos, R. J., Mangelsdorf, D. J., O’Rahilly, S., Ravussin, E., Redman, L. M., Ryan, D. H., et al. (2022) · The American Journal of Clinical Nutrition

Regulation of Appetite and ObesityObesity, Physical Activity, Diet

Cited by 315

Microbiota Depletion Impairs Thermogenesis of Brown Adipose Tissue and Browning of White Adipose Tissue

Li, B., Li, L., Li, M., Lam, S. M., Wang, G., Wu, Y., Zhang, H., Niu, C., Zhang, X., Liu, X., et al. (2019) · Cell Reports

Adipose Tissue and MetabolismGut microbiota and health

Cited by 302

Physical activity energy expenditure has not declined since the 1980s and matches energy expenditures of wild mammals

Westerterp, K. R., & Speakman, J. R. (2008) · International Journal of Obesity

Obesity, Physical Activity, DietPhysical Activity and Health

Cited by 269

A Nonadaptive Scenario Explaining the Genetic Predisposition to Obesity: The “Predation Release” Hypothesis

Speakman, J. R. (2007) · Cell Metabolism

Obesity, Physical Activity, DietEvolutionary Psychology and Human Behavior

Cited by 242

On the origin of obesity: identifying the biological, environmental and cultural drivers of genetic risk among human populations

Qasim, A., Turcotte, M., de Souza, R. J., Samaan, M. C., Champredon, D., Dushoff, J., Speakman, J. R., & Meyre, D. (2018) · Obesity Reviews

Genetic Associations and EpidemiologyEvolution and Genetic Dynamics

Cited by 241

Associations between energy demands, physical activity, and body composition in adult humans between 18 and 96 y of age

Speakman, J. R., & Westerterp, K. R. (2010) · The American Journal of Clinical Nutrition

Body Composition Measurement TechniquesPhysical Activity and Health

Cited by 198

Sex differences in the effect of fish-oil supplementation on the adaptive response to resistance exercise training in older people: a randomized controlled trial

Da Boit, M., Sibson, R., Sivasubramaniam, S., Meakin, J. R., Greig, C. A., Aspden, R. M., Thies, F., Jeromson, S., Hamilton, D. L., Speakman, J. R., et al. (2017) · The American Journal of Clinical Nutrition

Fatty Acid Research and HealthMuscle metabolism and nutrition

Cited by 185

Extreme events reveal an alimentary limit on sustained maximal human energy expenditure

Thurber, C., Dugas, L. R., Ocobock, C., Carlson, B., Speakman, J. R., & Pontzer, H. (2019) · Science Advances

Physiological and biochemical adaptationsCardiovascular and exercise physiology

Cited by 163

Evolutionary perspectives on the obesity epidemic: adaptive, maladaptive, and neutral viewpoints

Speakman, J. R. (2013) · Annual Review of Nutrition

Obesity, Physical Activity, DietNutrition, Genetics, and Disease

Cited by 163

Age‐related changes in the metabolism and body composition of three dog breeds and their relationship to life expectancy

Speakman, J. R., Van Acker, A., & Harper, E. J. (2003) · Aging Cell

Veterinary Medicine and SurgeryPhysiological and biochemical adaptations

Cited by 156

A standard calculation methodology for human doubly labeled water studies

Speakman, J. R., Yamada, Y., Sagayama, H., Berman, E. S. F., Ainslie, P. N., Andersen, L. F., Anderson, L. J., Arab, L., Baddou, I., Bedu-Addo, K., et al. (2021) · Cell Reports Medicine

Body Composition Measurement TechniquesClinical Nutrition and Gastroenterology

Cited by 143

Daily energy expenditure of the grey mouse lemur ( Microcebus murinus ): a small primate that uses torpor

Schmid, J., & Speakman, J. R. (2000) · Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology

Physiological and biochemical adaptationsBat Biology and Ecology Studies

Cited by 136

Calories or protein? The effect of dietary restriction on lifespan in rodents is explained by calories alone

Speakman, J. R., Mitchell, S. E., & Mazidi, M. (2016) · Experimental Gerontology

Genetics, Aging, and Longevity in Model OrganismsDietary Effects on Health

Cited by 131

Measures of Healthspan as Indices of Aging in Mice—A Recommendation

Richardson, A., Fischer, K. E., Speakman, J. R., de Cabo, R., Mitchell, S. J., Peterson, C. A., Rabinovitch, P., Chiao, Y. A., Taffet, G., Miller, R. A., et al. (2016) · The Journals of Gerontology Series A: Biological Sciences and Medical Sciences

Genetics, Aging, and Longevity in Model OrganismsTelomeres, Telomerase, and Senescence

Cited by 81