Summary:
- Eating too much fat, especially saturated fat, can be unhealthy and contribute to weight gain.
- Fats are a type of biochemical compound called lipids.
- Lipids are one of four classes of biochemical compounds that make up living things and carry out life processes.
- Living things use lipids to store energy and to make cell membranes in living things.
- Types of lipids include fats and oils, both of which are made up of long chains of carbon atoms that are bonded together.
- Fatty acids may be saturated or unsaturated.