Describe a hypothesis related to a study.
A hypothesis is a proposed explanation for a phenomenon that can be tested through experimentation or research. For example, in a study exploring the relationship between exercise and mental health, a hypothesis could be "regular physical exercise leads to an improvement in overall mental well-being." This hypothesis can then be tested through the collection and analysis of data from participants engaging in regular exercise and monitoring their mental health.
Complete the following task based on the instruction and optional input provided.### Instruction:
Describe a hypothesis related to a study.

### Output:
A hypothesis is a proposed explanation for a phenomenon that can be tested through experimentation or research. For example, in a study exploring the relationship between exercise and mental health, a hypothesis could be "regular physical exercise leads to an improvement in overall mental well-being." This hypothesis can then be tested through the collection and analysis of data from participants engaging in regular exercise and monitoring their mental health.