Sentences with phrase «several prospective cohort studies»

Not exact matches

Respiratory and gastrointestinal tract infections are the leading cause of morbidity in children.1, 2 Prospective cohort studies in industrialized countries revealed a prevalence of 3.4 % to 32.1 % for respiratory tract infectious diseases and 1.2 % to 26.3 % for gastrointestinal infectious diseases in infancy.3, — , 8 The risks of these infectious diseases are affected by several factors including birth weight, gestational age, socioeconomic status, ethnicity, number of siblings, day care attendance, and parental smoking.3, 5,6,8, — , 20

The review authors stated, «Several large scale prospective cohort studies found positive correlation between artificial sweetener use and weight gain.»