Vaccines and Your Immune System: Protecting You From Infection
We demystify vaccines and how to fortify immunity through diet, supplements, and lifestyle habits.
The Immunity 8

Staying hydrated, getting plenty of sleep and regular exercise, eating a balanced diet, and other positive lifestyle habits can all help strengthen your immune system to keep you healthy.
Preventing Illness and Disease With Vaccines

What Is the Difference Between Cold and Flu? Symptoms, Causes, Diagnosis, Treatment, and Prevention
A vaccine to prevent the flu, caused by influenza viruses, is recommended annually starting at 6 months.
By Erinn Connor
The Flu Shot: What You Need to Know
An annual vaccine is the best way to avoid getting the flu, but it doesn’t guarantee immunity.
By Erinn Connor
What Is COVID-19? Symptoms, Testing, Vaccines, and Prevention
Moderna, Pfizer, and Johnson & Johnson vaccines, as well as boosters, are available in the United States.
By Becky Upham
What Is Hepatitis B? Symptoms, Causes, Diagnosis, Treatment, and Prevention
Hepatitis B, a liver infection, is preventable by a vaccine given to newborns, children, and teenagers.
By Maria Masters
What Is Measles? Symptoms, Causes, Diagnosis, Treatment, and Prevention
Measles can be prevented with the measles, mumps, and rubella (MMR) vaccine, recommended starting at age 1.
By Becky Upham
What Is Pneumonia? Symptoms, Causes, Diagnosis, Treatment, and Prevention
Two pneumonia vaccines are available for adults ages 65 and older: Prevnar 13 and Pneumovax 23.
By Mary Elizabeth Dallas
What Is Shingles? Symptoms, Causes, Diagnosis, Treatment, and Prevention
If you’re over 50 or over 18 and immunocompromised, you can get a vaccine to prevent shingles.
By Cathy Cassata
What Is Tetanus? Symptoms, Causes, Diagnosis, Treatment, and Prevention
The tetanus vaccine is available to children as part of the DTaP vaccine. Boosters are needed every 10 years.
By Barbara Kean
What Is Whooping Cough? Symptoms, Causes, Diagnosis, Treatment, and Prevention
The first of 5 vaccinations for whooping cough, a contagious respiratory disease, is recommended at 2 months.
By Holly Pevzner
7 Reasons Spending Time Outdoors Is Good for Your Health
Whether you’re walking, hiking, or just soaking up the sun, it turns out that time spent in nature can have real...
By Beth Levine
4 Mood-Boosting Essential Oils to Support Everyday Life Challenges
Aromatherapy may support your health and wellness. Here, learn more about essential oils for sleep, essential ...
By Lauren Bedosky
Essential Oil Do’s and Dont’s: Aromatherapy Tips for Beginners
While essential oils can support your health and wellness, misusing them may do more harm than good. Here’s what...
By Lauren Bedosky
4 Possible Health Perks to Planning a Wellness-Inspired Vacation
From a boosted mood to lowered stress and improved heart and brain health, here’s why wellness travel may be just...
By Lauren Bedosky
What Do Freezing-Cold Temperatures Do to Your Body?
Lower temperatures and windchills can increase the risk for hypothermia and frostbite. Learn how to manage certain...
By Nicole Kwan
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