Here are the cliff notes version:
1. Healthy bile release requires fat
2. Gallbladder health requires fat
3. Fat-soluble vitamins are found in fat
4. Cholesterol balance requires plenty of good fats
5. Blood sugar balance requires fat
6. Protein utilization requires fat
7. Hormone balance requires fat
8. Detox requires fat
9. Weight loss and weight management requires fat
10. Fat makes food taste good
Read further explanations for each issue on the list here.
Even a cavegirl knows: Fat good. Sugar bad. *ook*