Here's why:
* High Energy Density: Fat contains significantly more energy per gram than carbohydrates (glycogen) or proteins. This makes it an efficient way to store large amounts of energy.
* Insulation: Fat also provides insulation, protecting the body from cold temperatures.
* Protection: Adipose tissue cushions and protects vital organs.
* Hormonal Roles: Fat tissue plays a role in producing hormones that influence metabolism, appetite, and other bodily functions.
While glycogen is the primary short-term energy storage, it is limited in capacity. Fat serves as the long-term reserve that can be accessed when glycogen stores are depleted, such as during prolonged fasting or intense physical activity.
