Skip to main content

Preventive care Archive

Articles

Color-changing eye drops: Are they safe?

Eye drops that claim to change a person's eye color are being promoted online, and the ability to do this may sound tempting. But are these products safe? The answer is a hard no according to the American Academy of Ophthalmology.

Gratitude linked to longer life and fewer heart-related deaths

A 2024 study suggests that older women with higher scores on tests to assess gratitude may live longer than those with lower scores. Most of this benefit seems to come from preventing deaths from heart disease.

Cutting meat intake by a third could reduce rates of heart disease

A 2024 report suggests that rates of cardiovascular disease, diabetes, and colon cancer would fall substantially if people ate less red and processed meat.

Travel tips for people with heart related risks

Air travel tips for people who have or are at risk for heart disease include bringing extra prescription medications in a carry-on bag and drinking water-but not alcohol-during the flight. When taking medications (especially blood pressure and anti-clotting drugs), people should try to schedule their doses based on their home time zone. On a long flight, walking a little every hour or so will help improve circulation in the legs; so can flexing the feet and circling the ankles. Doing so may reduce the chance of developing a blood clot, although the overall risk of such clots (known as deep-vein thrombosis) is quite low.

Gratitude may help you live longer

A 2024 study suggests that having an attitude of gratitude may help people live longer.

Medication perils

The way people's bodies absorb and process medications changes as they age. This, along with additional health problems, muscle loss, or frailty, can make seniors more vulnerable to drug side effects and interactions. Adults 65 and older use more over-the-counter drugs than any other age group in the United States. Nonprescription drugs to reconsider include aspirin, nonsteroidal anti-inflammatory drugs, proton-pump inhibitors, and older types of antihistamines.

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 38-page gift.

PLUS, don’t miss out on your 25% off promo code.

Sign up to get tips for living a healthy lifestyle—You’ll discover powerful, research- backed strategies for health longevity drawn from Harvard Medical School experts—ways to eat for a longer life, build strength and flexibility to stay independent, protect your bones, heart, and brain as you age, and even cultivate the habits linked with “super-agers” who stay sharp and active well into their 80s and 90s—all delivered to your email box FREE.

Harvard Health Publishing Logo

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

Plus, get a FREE copy of HEALTHBEAT ESSENTIALS: 10 Keys to Living Well at Any Age!.

Harvard Health Publishing Logo

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

Plus, get a FREE copy of HEALTHBEAT ESSENTIALS: 10 Keys to Living Well at Any Age.