Is mode of transport to work associated with mortality in the working-age population? You will live longer as a cyclist (New Zealand).

Physical activity and weight following car ownership in Beijing, China: quasi-experimental cross sectional study. You will be overweight after buying a car (Beijing).

The health risks and benefits of cycling in urban environments compared with car use: health impact assessment study. Avoid premature death abd reduce CO2 emissions (Barcelona).

Dutch Cycling: Quantifying the Health and Related Economic Benefits. Get 6 gratis months of life and save 3%  gross domestic product. (Amsterdam).

The relationship between bicycle commuting and perceived stress: a cross-sectional study. Less stress (Barcelona).

Physical Activity, Air Pollution, and the Risk of Asthma and Chronic Obstructive Pulmonary Disease. No problem with asthma (Denmark)

Bicycling to Work and Primordial Prevention of Cardiovascular Risk: A Cohort Study Among Swedish Men and Women. Prevents hypertension (Denmark)

Associations between Recreational and Commuter Cycling, Changes in Cycling, and Type 2 Diabetes Risk: A Cohort Study of Danish Men and Women. Decreases diabetes risk (Denmark)