Perhaps we can reassure parents with infants who are gaining weight slowly that this may have later benefits. One study using longitudinal data indicates rapid weight gain in the first 3 months of life is associated with several determinants of cardiovascular disease and type 2 diabetes in early adulthood.
The source:
Leunissen RWJ et al. Timing and Tempo of First-Year Rapid Growth in Relation to Cardiovascular and Metabolic Risk Profile in Early Adulthood. JAMA 2009;301(21):2234-2242
http://jama.ama-assn.org/cgi/content/abstract/301/21/2234