Prevention

Healthy lifestyle can prevent diabetes (and even reverse it)

Monique Tello, MD, MPH

Contributing Editor

Twenty years of medical research confirms that it is possible to prevent diabetes through lifestyle changes such as eating a healthy diet and getting regular physical activity. For some people diabetes medications can also help, and in fact medication and lifestyle changes work especially well together.

Home cooking: Healthy family meals

Monique Tello, MD, MPH

Contributing Editor

When families eat dinner together, the benefits to children go beyond nutrition. Family meals can lead to improved academic performance and self-esteem. Involving the kids in preparing dinner also enriches the experience.

Health benefits of walnuts

Robert H. Shmerling, MD

Faculty Editor, Harvard Health Publishing

The benefits of nuts on cardiovascular health have been known for some time, but an analysis of multiple trials found particular health benefits of walnuts. The data showed that people who ate a diet enriched with walnuts had lower cholesterol than those who ate a standard diet.

Healthy lifestyle: 5 keys to a longer life

Monique Tello, MD, MPH

Contributing Editor

You’ve probably heard it over and over, but research continues to show that following five simple healthy lifestyle habits makes a significant difference in life expectancy for both women and men, and the more of them you have, the longer you are likely to live.

Sun protection: Appropriate sunscreen use

Dominic Wu, MD

Contributing Editor

While our bodies need sunlight for vitamin D production, the harmful effects of ultraviolet radiation mean that everyone should be mindful of sun protection, in particular, the importance of using sunscreen regularly and correctly.

4 ways to protect against skin cancer (other than sunscreen)

While sunscreen is essential for skin protection when spending time outdoors, there are other options (lifestyle modifications and over-the-counter products) that can help lower your risk of skin cancer.

Lowering nicotine in cigarettes

Mallika Marshall, MD

Contributing Editor

With the intent of making cigarettes less addictive, the FDA has proposed lowering nicotine levels, which could also make it easier for smokers to quit.

Screening mammograms: One recommendation may not fit all

Monique Tello, MD, MPH

Contributing Editor

Research shows that the risk of breast cancer, and its severity, is greater for women of certain racial and ethnic backgrounds. These factors have not yet been included in formal guidelines for screening mammograms, but women need to be aware of them.

Cholesterol: Understanding HDL vs. LDL

When you hear the phrase “high cholesterol,” what exactly does it mean? Doctors often focus on two types of cholesterol, LDL and HDL. Understanding the differences, and knowing your cholesterol levels, are the first steps to improving your cholesterol profile and lowering heart disease risk.

Can DNA markers predict aging?

A newly available test offers to provide information about your telomeres, parts of your DNA that are considered markers of aging, but on its own this information is of little value, and you can make beneficial lifestyle changes without paying for a test.