Recent Blog Articles
Prediabetes diagnosis as an older adult: What does it really mean?
Is blood sugar monitoring without diabetes worthwhile?
Large review study finds low risk of erectile dysfunction after prostate biopsy
Does exercise help protect against severe COVID-19?
A new Alzheimer’s drug has been approved. But should you take it?
Need physical therapy? 3 key questions your PT will ask
COVID-19 vaccines: Safe and effective for American Indian and Alaskan Native communities
Should we track all breakthrough cases of COVID-19?
Period equity: What is it, why does it matter?
Common questions about medical cannabis
Do omega-3s protect your thinking skills?
It may be helpful to eat a diet rich in omega-3 fatty acids.
Maybe you're hoping to protect your thinking skills by eating oily fish like salmon or taking a daily fish oil supplement. After all, the media frequently talk about the benefits of omega-3 fatty acids in fish oil, and sales of fish oil supplements are more than $1 billion per year in the United States. But can fish oil keep us thinking clearly? "For people who are healthy, who don't have a decline in memory and thinking skills, the question of prevention has not yet been answered," Dr. Scott McGinnis, an assistant professor in neurology at Harvard Medical School, explains.
Omega-3 fatty acids are polyunsaturated fats in food that are essential for health. There are three main types:
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
I'd like to receive access to Harvard Health Online for only $4.99 a month.Sign Me Up
Already a member? Login ».
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.