1. Save money
By buying a bicycle, you will spend less money than if you bought a car.
Moreover, the parking price is high. A price you won't have to spend if you have a bicycle.
2. Reduce your risk of developing diabetes and cancer,
//https://www.betterhealth.vic.gov.au/health/healthyliving/cycling-health-benefits
It has been proven that practicing a physical activity, reduce your risk of developing cancers, especially colon and breast cancer.
When you bike, you improve your heart health and reduce risk of type 2 diabetes.
3. Improve your cardiovascular health
//https://www.betterhealth.vic.gov.au/health/healthyliving/cycling-health-benefits
Your health will decline over time. It's now the time to act in order to be at your best health when you're older.
When you bike, you increase you heart fitness. Your future you will thank you.
4. Improve your mental health
//https://bikebiz.com/the-mental-health-benefits-of-cycling/amp/
The fresh air and wind clean your head and keep the stress away like all the regular physical activities. You're helping yourself while going to work.
Dr. McCormack, an associate professor at the University of Calgary’s Cumming School of Medicine says "some studies suggest physical activity can help in managing or treating depression.”
5. Help improve the environment,
//https://transportation.ucla.edu/blog/how-riding-bike-benefits-environment
It doesn't concern you directly, but it's really important nowadays.
When you bike to work, you don't use polluting materials and reduce carbon emissions.