Health & Science

U.S. life expectancy rose last year, hitting its highest level since the beginning of the Covid pandemic, according to a report from the Centers for Disease Control and Prevention.

Doctor explains what you need to know about what is informally referred to as “brain fog.”

Red food dye is commonly used in beverages, snacks and candies, but it’s come under scrutiny for possible links to cancer and behavioral problems in children.

Researchers attribute a rise in autism diagnoses to increased screening and changing definitions of the condition. Hundreds of studies have found childhood vaccines to be safe.

A scientist at the Salk Institute in La Jolla is hoping to develop a new anti-anxiety drug that would help you “focus, breathe and center.”

Researchers at the Salk Institute in La Jolla have discovered a pathway in the brain that controls our voluntary breathing. The lead author says this could pave the way for a new class of anti-anxiety drugs, including one he’s calling the “yoga pill.”

Robert F. Kennedy Jr.’s false claims linking autism to childhood vaccinations are receiving new scrutiny now that President-elect Donald Trump has selected him to lead the Department of Health and Human Services, a sprawling agency with a budget of $1.7 trillion that oversees research into both autism and vaccines.

The child experienced mild symptoms, according to the Centers for Disease Control and Control and Prevention.

A report from the U.S. surgeon general found significant disparities in smoking rates based on race, income and sexual orientation, and said smoking and secondhand smoke cause 500,000 deaths every year.

Public health officials Thursday reported a marked increase in the number of pertussis — or whooping cough — cases this year over recent years. NBC 7’s Nicole Gomez reports.

Public health officials Thursday reported a marked increase in the number of pertussis — or whooping cough — cases this year over recent years.

Robert F. Kennedy Jr. has promoted claims about vaccines that contradict the overwhelming consensus of scientists.

A new survey from Orlando Health found 39% of American adults worry about how much they will eat over the holidays, but dietitians say fears of weight gain or other negative effects are overblown.

A study from the American Association for the Study of Liver Diseases found beer drinkers usually have less healthy lifestyles than drinkers who prefer wine, liquor or a combination of alcohol types.

With the rise of telemedicine and testosterone replacement clinics opening up across the country, access to the drug has never been easier.

Dentists say fluoridated water was one of the most significant public health advances in recent memory. The incoming administration may not see it that way.

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.

San Diego County held the first of several flu vaccine clinics in El Cajon, hoping to prevent the spread of what can become a deadly disease. NBC 7’s Shelby Bremer reports.