

Why and Where We Store Fat
5 snips Mar 7, 2024
Dr. Bikman discusses the evolution and storage of fat tissue, debunking myths and emphasizing its importance in survival and brain growth. He explores different types of fat, such as subcutaneous and visceral, and their impact on metabolic health. The lecture also covers genetic and environmental factors influencing fat storage, including insulin, diet, and environmental chemicals.
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Fat's Evolutionary Role
- Fat storage is crucial for survival during famine or scarcity.
- Humans, unlike other land mammals, are born with substantial fat reserves.
Humans' Unique Fat Storage
- Humans are unique in being born obese, possibly due to the expensive tissue hypothesis.
- This theory suggests fat storage facilitated larger brains and shorter intestines.
Fat's Protective and Immune Functions
- Beyond energy, fat provides insulation, protects organs, and plays an immune role.
- Visceral fat, found in the abdominal cavity, is rich in lymph nodes, aiding immunity.