The effects of physical activity on cognitive function in older adults (could be any physical activities, please help me choose one physical training like aerobics etc & relate them to the questions below, one research paper would be good to look at)

– How can we alter the trajectory of age-related cognitive decline?

– What is the rationale/motivation for the study?

– Why is this research study important and novel?

What are the hypotheses? and how was it tested?

– key findings/what was learned by this topic 

Although not all studies support it, there is growing evidence that physical exercise can prevent cognitive decline and dementia (7–10). Physical exercise, such as aerobic (11–13), stretching (14), resistance (15), or combined exercises (16–20), may delay and prevent cognitive decline in older adults with AD.