Maybe if you take too much, just like with everything in life.

Why sugar is essential?

Your body. My body. Every body is made is up of trillions of cells which are the building blocks for the tissues and organs of our body. In other words: Our cell health is critical to overall health. If the cells are nourished we have the right foundation for a nourished body.

The cell’s ability to produce energy is critical.

Every minute of every day, cells must convert nutrients from the foods we eat into usable energy to power growth, repair, reproduction and movement.

And guess what? Sugar, in the form of glucose, is the preferred and most efficient fuel source.

Credit - article that i agree with.