Marlene Cimons

Washington, D.C.

Contributing reporter
Marlene Cimons is a Washington-based freelance writer who specializes in health, science and the environment. She was a Washington reporter for the Los Angeles Times covering public health, biomedical research policy, and food and drug regulation. She was one of the first reporters in the country to write regularly about the AIDS epidemic and was nominated for a Pulitzer Prize for a series about an AIDS patient and his physician. She is the author of several health and science reports and magazine articles. After leaving the L.A. Times, she spent several years writing for the National Science
Latest from Marlene Cimons

‘Button dogs’ do understand words — and not just from their humans

In a study, the dogs responded to words involving play or going outside — but were less likely to react to food words, possibly because they weren’t hungry.

August 28, 2024

What is Legionnaires’ disease, and how does it spread?

People can catch Legionnaires’ disease by inhaling small water droplets containing Legionella, a bacteria.

August 13, 2024
A 1978 microscopic image from the Centers for Disease Control and Prevention shows the bacteria Legionella, which cause Legionnaires' disease.

When mammograms lead to more testing, it doesn’t mean automatic bad news

For some women, the time between a callback and additional tests can be terrifying.

August 10, 2024
A doctor examines results of mammography screening procedure using computer. Mammogram scans of breast tissues displayed on PC screen. (Shutterstock)

Pedicures have health risks, especially in summer

When nail salons push and cut cuticles, they’re creating a clear pathway for bacteria, and walking barefoot in the sand in those cases can spell big trouble.

July 28, 2024
Going barefoot can be risky after a pedicure if the cuticles have been recently cut or trimmed, experts say.

Pets can suffer from car sickness. Here’s how to help your dog or cat.

Many people are planning vacations in pet-friendly places reachable by car. But for humans whose pets get carsick, these excursions can become an ordeal.

June 29, 2024
Some pets can get sick traveling in a vehicle.

Cat kidney transplants: For some, the pricey procedure is well worth it

The surgery can cost up to $25,000. “I just spent $17,000 on my roof, and I love my cat a lot more than my roof,” one person said.

June 15, 2024
Desperado, the gray cat on top, is six years post-kidney transplant. He's shown snuggling with Stevie, his donor.

What are tongue-ties, and how can they be fixed?

Tongue-tie can make it harder for babies to breastfeed and pronounce certain sounds. It can also be remedied with a simple “clipping” procedure.

June 10, 2024
Tongue-tie — or ankyloglossia — occurs in up to 10 percent of newborns,  according to the Mayo Clinic. (Shutterstock)

Ticks love hot weather, too. How to avoid these common tick diseases.

As temperatures rise and people begin spending more time outdoors, the risk of tick exposure also increases.

May 24, 2024
Ticks carry many diseases.

How your dreams change with age — more work memories, fewer nightmares

Dream content can be difficult to analyze, but scientists agree that several themes frequently emerge starting in childhood and through different life stages.

May 22, 2024

No need to fear menopause hormone drugs, finds major women’s health study

The Women’s Health Initiative scared women and doctors away from menopause hormone therapy over 20 years ago. A follow-up found fears were largely overblown.

May 1, 2024
Worries about menopause hormones have prompted many women to forgo treatment for hot flashes.