Life Lines by Dr. Dolittle

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Tag Archive for ‘growth’

Growth restriction in utero increases risk for developing insulin resistance

  A new study published in the¬†American Journal of Physiology – Regulatory, Integrative and Comparative Physiology, explored how restricted growth of a fetus during pregnancy can lead to insulin resistance later in life. They studied this risk factor in guinea pigs as larger litter sizes are known to restrict the growth of developing fetuses. Findings from the study showed that neonatal guinea pigs grow rapidly after birth to compensate for […]

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Leptin influences mammalian bone development

Leptin is a hormone that was discovered in 1994 and was once heavily studied by researchers who had hoped it might be useful in promoting weight loss.¬† It is produced by fat cells and signals to the brain whether those fat cells have sufficient energy, at which time it suppresses hunger and thereby promotes weight loss (WebMD; Klok et al., 2007). One of the reasons it failed as a weight […]

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