When employees and students attend work or school and suffer from health related symptoms such as respiratory illness, allergies and headaches, their performance suffers. "Presenteeism" is a term used to describe this problem.

Presenteeism symptoms relating directly to inadequate cleaning include:
- dry and scratchy eyes caused by dust from ineffective vacuuming,
- headaches and nausea caused by VOCs from cleaning products,
- and allergic reactions and flu symptoms caused by bacterial contamination from molds and fungi.
 

Performance cleaning can reduce contaminant levels.

Study links improved cleaning to improved health outcomes.⁷

1. Dr. Leonard Krilov, Cornell University conducted a study at The Association For Children With Downs Syndrome School. While Dr. Michael Berry has shown improved cleaning methods reduce contaminant levels, Dr. Krilov wanted to see if improved cleaning methods positively impacted certain health related events and absenteeism levels.
    
2. The chart below documents significant reductions in total illnesses, doctor visits, antibiotic use, and absenteeism when improved cleaning methods were used.
   
   
    
3. Generally speaking, schools have 4 times as many occupants per square foot than office buildings. Additionally, children's developing immune systems play a role in what they can fend off. While an office setting may not achieve the same results, it stands to reason there would be some level of positive impact
    
4. Improved cleaning methods produce improved health outcomes which lead to lower costs through reduced medical expenses and improved productivity.