Health & Science

Fluoride is added to drinking water to prevent tooth decay and reduce other dental-related illnesses, according to the American Dental Association and CDC.

Dr. Bryant Lin is hoping his cancer journey can be a teaching moment for future physicians.

A clinical trial is testing whether an existing drug could benefit patients with Alzheimer’s disease, in hopes of making symptom-improving medication more accessible for people experiencing mild cognitive impairment.

For decades, when babies with congenital heart defects needed stents, doctors would modify ones meant for adults so they would fit into much smaller hearts.

Due to a new FDA rule, women 40 and older in every state are now receiving letters about their breast density along with their standard mammogram results.

Discussing the American Cancer Society’s walk to provide a supportive community for breast cancer survivors and metastatic breast cancer thrivers, caregivers, supporters, and families with Caitlin Rodgers, the Senior Development Manager for the American Cancer Society, and Shannon Carney, a breast cancer survivor and walk participant. To register for the walk taking place on Saturday, October 19, at Choctaw Stadium...

Commonly referred to as “forever chemicals,” PFAS are found in many everyday products and even inside our bodies. So what are they?

Research suggests that concussions from football can raise the risk of Parkinson’s and other neurodegenerative diseases.

Black women are more likely than white women to die from even the most treatable types of breast cancer, a study published Tuesday in the Journal of Clinical Oncology found.

Doctors and public health workers across the U.S. are racing to develop innovative and unconventional strategies to test and treat people for the infection.

NBC 5, Telemundo 39, and the American Cancer Society invite you to join the fight against breast cancer by participating in this year’s Making Strides Against Breast Cancer Walk on Saturday, October 19, at the Choctaw Stadium in Arlington. Bring your family and friends and join Telemundo 39’s meteorologist, Karuska Matos Horta. On-site registration begins at 7:30 a.m. but online…

Four people have received hearts or kidneys from pigs. Some of their relatives recount a roller coaster of hope and uncertainty.

About 100,000 people are on a waitlist for a kidney transplant but there aren’t enough donors. While they haven’t perfected it, researchers are working to see if some animals might be able to fill the gap.

Scientists have long considered that the world’s most common sexually transmitted infection, human papillomavirus, or HPV, may be a driver of infertility.

Mpox, formerly known as monkeypox, is a virus first discovered in 1958 that causes fever, headache, muscle aches and exhaustion and eventually painful, fluid-filled blisters, or “pox,” over the body.

Bekele, from Fairfax, Virginia, is being recognized for developing an affordable bar of soap that could make delivering medications for skin cancers, including melanoma, more accessible.

Ketamine is a prescription medication which is also abused recreationally under the street names Special K, Super K and Vitamin K. Here’s what you need to know.

At the young age of 9, after suffering the loss of her grandmother, Virginia native, Nikki Delk, made the commitment to one day cure cancer.  She has dedicated her career to cancer research and to providing an environment that provides access and opportunity for anyone who is passionate about science. She is especially passionate to help women and underrepresented groups…

A blood test to screen for colon cancer was approved by the Food and Drug Administration on Monday. It’s from Guardant Health and it’s called Shield.

A prominent doctors’ group worries that a condition in infants that can affect breastfeeding known as tongue-tie is being overdiagnosed in the U.S. and too often treated with unnecessary surgery.