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Heather Williams

My research interests are in nutritional anthropology and human energetics. My more recent research focused on food habits and physical activity patterns among elementary school aged children living in the San Luis Valley, Colorado.

Multiple Strategies To Meet The Energy Costs Of Human Lactation – But Not Increased Energy Efficiency

For all animals, reproduction entails an investment of time and energy. Among humans, lactation (i.e., breastfeeding) is, perhaps surprisingly, the most metabolically expensive phase of the entire reproductive cycle. That is, mothers need more energy (i.e., calories) per day to […]