Harvard Heart Letter

Heart Beat: Little support for that sinking feeling

A drug trial shows that beta blockers do not reduce the incidence of fainting spells.
To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »