Whilst previously rare, some surveys indicate substantial increases in the population with
body mass index (BMI)≥ 40 kg/m2 since the 1980s. Clinicians report emerging care …

Abstract Knapik, JJ, Sharp, MA, and Steelman, RA. Secular trends in the physical fitness of
United States Army recruits on entry to service, 1975–2013. J Strength Cond Res 31 (7) …

Background High body mass index (BMI) is an important contributor to the global burden of
ill-health and health inequality. Lower socioeconomic position (SEP) in both childhood and …

Background The causes of early childhood linear growth faltering (known as stunting) in low-
income and middle-income countries remain inadequately understood. We aimed to …

Background Mendelian randomization (MR) has developed into an established method for
strengthening causal inference and estimating causal effects, largely due to the proliferation …

Background: Although obesity and physical activity influence psychosocial well-being, these
effects may vary based on race, gender, and their intersection. Using 6-year follow-up data …

Background Most epidemiological studies have not simultaneously quantified variance in
health within and between populations. We aimed to estimate the extent to which basic …

When summarizing or analyzing a population, regardless of whether it consists of hundreds
or millions of individuals, it is the norm in most social, medical, and health research to …

Background: Asthma imposes a large healthcare burden in China and the United States
(US). However, the trends of asthma mortality and the relative risk factors have not been …

Background Changes over time of mean body weight or prevalence of overweight and
obesity have been well documented. Less consideration has been given to describing the …