Staying Healthy

Do past lifestyle habits affect future health?

On call

By , Chief Medical Editor, Harvard Health Publishing

photo of a man holding a glass of liquor and looking at it skeptically

Q. I worry how much permanent damage my prior smoking and heavy drinking did to my body. I quit both five years ago. Will my past behavior affect how I age?

A. It's never too late to make healthier lifestyle choices. Some of the health risks of using tobacco and overusing alcohol begin to drop within days after you stop using them. To what degree does the amount and number of years of tobacco and alcohol use affect how long you live or the quality of your life is difficult to predict. It also depends on genetics, which we continue to explore.

To continue reading this article, you must log in.

Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.

  • 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 »

I'd like to receive access to Harvard Health Online for only $4.99 a month.

Sign Me Up

Already a member? Login ».

About the Author

photo of Howard E. LeWine, MD

Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing

Dr. Howard LeWine is a practicing internist at Brigham and Women’s Hospital in Boston, Chief Medical Editor at Harvard Health Publishing, and editor in chief of Harvard Men’s Health Watch. See Full Bio
View all posts by Howard E. LeWine, MD

Disclaimer:

As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.

No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.

You might also be interested in…

Living Better, Living Longer

With this Special Health Report, Living Better, Living Longer, you will learn the protective steps doctors recommend for keeping your mind and body fit for an active and rewarding life. You’ll get tips for diet and exercise, preventive screenings, reducing the risk of coronary disease, strengthening bones, lessening joint aches, and assuring that your sight, hearing, and memory all stay sharp. Plus, you’ll get authoritative guidance to help you stretch your health care dollar, select a health plan that meets your needs, prepare a health care proxy, and more.
Read More

Free Healthbeat Signup

Get the latest in health news delivered to your inbox!

Sign Up
Harvard Health Publishing Logo

Thanks for visiting. Don't miss your FREE gift.

The Best Diets for Cognitive Fitness, is yours absolutely FREE when you sign up to receive Health Alerts from Harvard Medical School

Sign up to get tips for living a healthy lifestyle, with ways to fight inflammation and improve cognitive health, plus the latest advances in preventative medicine, diet and exercise, pain relief, blood pressure and cholesterol management, and more.

Harvard Health Publishing Logo

Health Alerts from Harvard Medical School

Get helpful tips and guidance for everything from fighting inflammation to finding the best diets for weight loss...from exercises to build a stronger core to advice on treating cataracts. PLUS, the latest news on medical advances and breakthroughs from Harvard Medical School experts.

BONUS! Sign up now and
get a FREE copy of the
Best Diets for Cognitive Fitness

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of the Best Diets for Cognitive Fitness.