The phrase "activity is a key" is correct and usable in written English.
It can be used to emphasize the importance of activity in achieving a goal or outcome.
Example: "In our research, we found that activity is a key factor in maintaining mental health and well-being."
Alternatives: "activity is essential" or "activity plays a crucial role".
In light of data from IBS patients demonstrating increased activation in many of the same brain regions that we have observed in the current study, we speculate that our findings in a rodent model may imply that abnormal amygdala activity is a key component to enhanced brain activation involved in the development of anxiety and gut hypersensitivity in IBS.
Increasing regular physical activity is a key public health goal.
Thus, regulation of Cdk1 activity is a key step in JNK-mediated modulation of Ezh2 function.
Altered synovial fibroblast (SF) transcriptional activity is a key factor in the disease progression of rheumatoid arthritis (RA).
Objectives: A decrease in cholinergic activity is a key event in the biochemistry of Alzheimer's disease (AD).
The search for cathode materials with high oxygen reduction reactions activity is a key step toward reducing the operation temperature of solid oxide fuel cells.
Impaired cardiac isoform of sarco endo)plasmic reticulum Ca2+ ATPase (SERCA2a) activity is a key abnormality in heart failure patients with reduced ejection fraction.
The FVa-dependent restoration of activity is a key aspect to their efficacy and also contributes to localizing the variants to the site of vascular injury.
National surveys estimate that nearly one-third of youth in the United States are overweight or obese, and that a lack of daily physical activity is a key factor at play.
While the Treasury market has been dominated by supply considerations lately, Mr. Fine said, Federal Reserve policy on interest rates and overall rates respond to fundamental economic forces, "and in this regard housing activity is a key leading indicator of future economic performance".
Understanding the inherent toxicity of water-soluble synthetic polyelectrolytes is critical for adequate risk management as well as enhancing product design when biological activity is a key performance index (e.g. for application in biofouling bivalves' control).
