Nicoletta Lanese

Sources told Reuters that the International Agency for Research on Cancer, an arm of the World Health Organization, will soon name aspartame a "possible carcinogen." But historically, the agency's decisions have been controversial and confusing.

Four people in Florida and one person in Texas recently caught malaria within the U.S. Similar cases haven't been reported since 2003.

A declassified U.S. intelligence report further refutes the idea that SARS-CoV-2 "leaked" from the Wuhan Institute of Virology.

Sunrise Growers Inc. has issued a voluntary recall of certain frozen fruit products due to potential Listeria contamination.

In a first, U.S. regulators have cleared several lab-grown chicken products for sale in the country.

The American Medical Association released a new policy on how doctors should use body mass index (BMI), acknowledging the metric's inherent flaws.

Two children developed insatiable hunger and severe obesity due to rare genetic mutations, their doctors reported.

Experts shared tips with Live Science on how to protect yourself from tick bites and reduce your risk of tick-borne diseases.

A gold-standard clinical trial suggests that "reanimating" donated hearts is a viable strategy for expanding the pool of potential heart donors.

A resident of Riverview, Florida was bitten by a relative and later developed a "flesh-eating" infection — likely from the bite.

Experiments suggest that taurine, an unusual amino acid, can extend some animals' life spans, but it's unclear if it would work in humans.

A dentist noticed a lump on a patient's tongue, and it turned out to have an unusual cause.

An outbreak of dangerous fungal infections has been tied to recent cosmetic procedures at specific clinics in Mexico. Health officials urge anyone who underwent such procedures to seek a medical evaluation right away.

Some compounding pharmacies are using unauthorized active ingredients to make copycat versions of Ozempic and Wegovy.

A study suggests that more U.S. teens with obesity are getting weight-loss surgeries, in line with official guidelines from the American Academy of Pediatrics.

A man in Michigan developed deep vein thrombosis after reportedly being bitten by a brown recluse spider.

Ohio public health officials raise concern about brain-eating amoeba in northern states.

The U.S. Food and Drug Administration approved a gene therapy for dystrophic epidermolysis bullosa, also known as butterfly disease.

Scientists uncovered a "biomarker" for chronic pain in the brains of four patients and are using the data to develop a new brain stimulation therapy.

The Centers for Disease Control and Prevention issued an alert urging doctors to refamiliarize themselves with mpox symptoms and encourage vaccination for at-risk patients.

The U.S. Food and Drug Administration approved a new pill for moderate to severe hot flashes.

A task force of experts recommended that female patients be screened for breast cancer starting at age 40.

Reproductive hormones may interfere with sleep quality and affect dreaming at different stages of the menstrual cycle.

Maine reported a potential measles case in a child and is awaiting confirmation from the Centers for Disease Control and Prevention.