A study from Harvard looked at if hospitalizations for cardiovascular problems increase after heavy snowfalls. 

Doctors at Columbia University compared regular exercise to physical activity from work or household chores to lower the risk of blood pressure for African Americans.

There’s a study from Swiss researchers looking at how much time doctors spend interacting with their patients.

Sources : 

1 – American Journal of Epidemiology
 
2 – Hypertension
 
3 – Annals of Internal Medicine