The number of cells in the human body is a complex and debated topic. There is no single definitive answer, as it varies depending on several factors:

* Individual differences: People vary in size, age, and health status, all of which impact cell count.

* Methodology: Different scientific methods for estimating cell number yield different results.

* Cell definition: The definition of "cell" itself can be debated, especially when considering things like red blood cells, which lack a nucleus.

However, the most commonly accepted estimate is around 37 trillion cells. This number comes from a 2016 study published in the journal "Nature" that used a sophisticated technique to estimate the number of cells in a reference human.

It's important to note that this is just an estimate, and the true number of cells in your body could be slightly higher or lower.