These women were diagnosed with lung cancer. They weren't eligible for screening.

Doctors across the United States report an alarming increase in lung cancer diagnoses among young women with no prior history of smoking. The reasons for this trend remain unclear, prompting researchers to advocate for updated screening guidelines to facilitate earlier detection of cases. NBC News’ Maggie Vespa provides insights into this concerning health issue.

A new study from Harvard has identified a connection between nighttime light exposure during sleep and heart disease. Researchers indicate that artificial light from devices and household sources disrupts circadian rhythms, which is a recognized risk factor for negative heart health outcomes. The study suggests that minimizing light exposure at night may reduce the risk of cardiovascular disease.

A growing trend among users of GLP-1 medications involves microdosing, where individuals take smaller-than-recommended doses of these injectable weight loss drugs. While some users report positive results, obesity experts caution that this practice is uncharted territory. NBC’s Anne Thompson reports for TODAY.

Two Black women in Texas and Indiana reported that hospital staff ignored their urgent requests for medical assistance while they were in labor, despite being close to giving birth. This situation highlights ongoing concerns regarding the treatment of Black mothers in healthcare settings.

Concerns are rising regarding the treatment of Black women in maternal healthcare, highlighted by two recent incidents captured in disturbing videos. NBC News’ Zinhle Essamuah reports on the growing frustration surrounding these experiences in hospitals just before childbirth.

The CDC has revised a webpage that previously asserted vaccines do not cause autism, now implying that health authorities may have overlooked potential links between vaccines and autism. This change has raised concerns regarding the accuracy of information provided by the agency.

Jay Leno shared an update on his wife Mavis's battle with advanced dementia during an exclusive interview with TODAY’s Hoda Kotb. He revealed that the most challenging aspect has been witnessing her relive the death of her mother over the years. Despite the difficulties, Leno emphasized that their love remains strong, and they continue to find moments of light and laughter together.

Cases of the H3N2 flu virus are increasing in 39 states, indicating the potential for a severe flu season. This variant is known for causing more severe symptoms compared to last year's strains. Additionally, a mutated strain is rapidly spreading in countries such as Canada and England.