Background—Elevated body mass index (BMI; weight in kilograms divided by height in
meters squared) in the obese range (≥ 30 kg/m2) is associated with an excess risk of heart
failure (HF). However, the impact of overweight or preobese (BMI, 25 to 29.9 kg/m2) status
and physical activity on HF risk is unclear. Methods and Results—In a prospective cohort of
21 094 men (mean age, 53 years) without known coronary heart disease at baseline in the
Physicians' Health Study, we examined the individual and combined effects of BMI and …

Aim To examine the relationship between reported vigorous physical activity (VPA) and
body mass index (BMI) in children (6–7 years) and adolescents (13–14 years). Methods In
the International Study of Asthma and Allergies in Childhood Phase Three, 75 895 children's
parents and 199 502 adolescents answered questions relating to VPA, height and weight.
The association between VPA and BMI was analysed using general linear models, adjusting
for country gross national index. Results Compared to children who undertook no VPA …