Most tap water in the U.S. is safe to drink.

Injuries and sicknesses vary when people show up to an ER for medical care, so doctors must decide, depending on the severity, which cases take priority in determining how soon patients can be treated in a room and the order in which they are seen.

About 1 in 6 parents in the U.S. have skipped or delayed vaccinating their kids against diseases other than COVID or the flu. Now those same fears over vaccine safety are spreading to pet owners.

News4JAX anchor Bruce Hamilton has gone through two rounds of chemotherapy for a progressive and aggressive form of cancer. The side effects led Bruce and his wife to opt for a new hairstyle, getting ahead of the hair loss by shaving his head.

A major sewer pipe collapse has dumped hundreds of millions of gallons of sewage into the Potomac River, highlighting a nationwide problem involving failing infrastructure.

The Food and Drug Administation is approving a generic drug for a very rare genetic disorder, but not for autism.

Black, hot, over ice: the ways we drink our coffee are endless, and for many of us, it’s an essential part of our morning routine. But there’s a catch, too much caffeine can leave you jittery, wide awake at midnight, or nursing a headache.

Many people associate blood sugar with diabetes, but doctors say repeated spikes and crashes can affect anyone, increasing inflammation and raising heart disease risk.

A new study in the journal Nature Cities shows that as temperatures rise aboveground, the number of subway riders reporting uncomfortable heat belowground increases.

A racially biased medical test for years kept Black people from getting kidney transplants.

Hims & Hers Health has agreed to stop selling compound versions of Novo Nordisk’s Wegovy and other weight-loss drugs, ending for now a patent lawsuit.

About 1 in 5 Americans will develop skin cancer in their lifetime. But unlike some other types, skin cancer can often be prevented!

Doctors often advise exercising your brain to stay sharp but stretching your brain might be the better description.

Consumer Reports has some important advice for parents on how to help prevent these more common and often avoidable sports injuries.

A singing circle at Amsterdam’s Concertgebouw helps people with dementia and other brain conditions connect through music.

Nancy Guthrie, the mother of NBC's Savannah Guthrie, remains missing after nearly 40 days in Arizona.

Affordable housing residents near a federal immigration building in Portland, Oregon, have won a court order limiting federal officers’ use of tear gas during protests at the facility.

The Food and Drug Administration’s controversial vaccine chief, Dr. Vinay Prasad, is once again leaving the agency.

A new study shows heat waves increasingly trigger sudden, severe droughts across the world as the planet warms.

The Inter-American Court of Human Rights is ordering Peru to pay compensation for a woman’s death tied to a forced sterilization program.

Losing an hour of sleep as daylight saving time kicks in can do more than leave you tired and cranky the next day — it also could harm your health.

A Connecticut city has joined hundreds of others around the country that have installed new firehouse alarm systems that aim to reduce firefighters' stress when calls come in.

One in 10 women are diagnosed with endometriosis, a chronic and usually debilitating condition that can be easily misdiagnosed.

Consumer Reports tested dozens of babyproofing products to find the ones that work best and talked with child safety experts to create a babyproofing checklist that covers all areas of your home.

The new analysis looked for heavy metals and other contaminants, and while some results raised concerns, Consumer Reports says there are also many solid options for parents.

Last year, President Donald Trump promoted unproven ties between Tylenol and autism and touted an old generic drug as a treatment for the developmental condition.

Many families are opting for “gramping,” which is when grandparents and grandchildren vacation together and leave the parents at home.

While the three-martini lunch seems improbable today, workplaces still can be boozy places.

President Donald Trump's administration is expanding its crackdown on state Medicaid programs to New York, launching a fraud probe in the state.

Experts say adults can help children cope with the latest conflict in the Middle East by making time for conversations, validating their feelings and limiting exposure to frightening or inaccurate information.

Today, women are more educated, more represented, and more visible than ever before, but in some key areas, progress has stalled, and in others, it’s actually moving backward.

The Food and Drug Administration is reviewing a request for new warnings on antidepressant drugs, and that's presenting an unusual conflict of interest at the agency.

Florida’s emergency cuts to the AIDS Drug Assistance Program could leave more than 16,000 people without consistent access to HIV medication or insurance coverage , including at least 500 in Jacksonville.

A new CDC analysis shows U.S. maternal deaths keep edging down.

The medical charity Doctors Without Doctors says 26 staff working with the group remain unaccounted for a month after attacks in South Sudan.

The Florida Department of Health lists drowning as the leading cause of unintentional death for children ages 1-4, and state lawmakers in Tallahassee are considering two bills aimed at reducing those deaths.

They play, they roll, they run! And they itch! What looks like playtime can actually be a sign of fleas, ticks or allergies. New national forecasts show flea and tick season is starting earlier and lasting longer across much of the U.S.

Minnesota is suing President Donald Trump’s administration in an attempt to stop it from holding back $243 million in Medicaid spending.

As people awoke to news over the weekend of the U.S. and Israel's war on Iran, it resulted in many feeling anxious and stressed.

The Supreme Court is clearing the way for California schools to tell parents if their children identify as transgender without getting the student’s approval, granting an emergency appeal from a conservative legal group.

The White House says a red spot on President Donald Trump’s neck comes from a prescribed skin cream.

Tech companies are pushing new health chatbots, but experts say you still need to talk to your doctor.

The American Cancer Society reports that about one in eight men will be diagnosed with prostate cancer in their lifetime. The average age of men who get diagnosed is 67.

People with mobility and other limitations are getting the chance to experience birding through a movement that aims to make the hobby accessible to everyone.

New Medicaid work requirements signed into law by President Donald Trump are meant to save money.

For Black people living with Tourette syndrome, a racial slur being shouted by someone with the disorder at the British Academy Film Awards has left them with complicated feelings.

Should marijuana users be able to own guns.

Social media is filled with influencers rating electrolyte supplements or even telling followers how to make their own.

After stubbing his toe on a coffee table, Matt Harms learned that he had sepsis, which led to an above-the-knee amputation. Here's his story of how letting the light in one day gave him the strength to participate annually in the Brooks Rehabilitation Challenge Mile.

Glynn County Schools said a strong odor affected the area around Altama Elementary, but officials have confirmed the campus is safe.

Eddie Vedder uses two emotional solo concerts and a new Netflix film to push for a cure for epidermolysis bullosa.

Dr. Ali Kasraeian from Kasraeian Urology is the first in our area to utilize a new minimally invasive treatment, called Focal Therapy, that precisely targets and destroys prostate cancer tumors.

The Pentagon has made a deal with Scouting America that Defense Secretary Pete Hegseth says would maintain their century-old partnership but refocus the organization away from “woke” policies.

European drug regulators are endorsing a new and simpler treatment for sleeping sickness, in what could be a giant boost to efforts to eliminate the disease.

Target will stop selling cereals containing synthetic colors by the end of May.

This month’s Postively JAX winner, Here Tomorrow, is redefining suicide prevention in Northeast Florida by offering something many families say they couldn’t find when they needed it most: immediate, personal support at no cost and with no wait.

Federal health data shows Black women are more than three times likely than white women to die around the time of childbirth.

How can you improve your heart health? Small changes in the kitchen can make a big difference.

The United States signs a $1.2 billion health partnership with Congo that ties new funding to Congo spending more at home.

Novartis has settled a lawsuit by the estate of Henrietta Lacks that alleged the pharmaceutical giant unjustly profited off her cells, which were taken from her tumor without her knowledge in 1951 and reproduced in labs to enable major medical advancements, including the polio vaccine.

A Michigan mother is making and collecting soft, yarn toys that are being donated to the neonatal intensive care unit at a Detroit hospital.

The head of the Food and Drug Administration plans to start offering bonus payments to agency drug reviewers who complete their work ahead of the schedule.

The vast majority of organ donations once came from people who were brain-dead.

News4JAX anchor Scott Johnson underwent life-saving robotic surgery after a routine physical revealed a heart murmur and a leaking mitral valve.

Federal health officials say an infant botulism outbreak linked to recalled ByHeart baby formula is over.

The East Tennessee Children's Hospital is now known as Dolly Parton Children's Hospital.

The European Union has agreed to expand funding for citizens needing to leave their home countries to access safe abortions elsewhere in the 27-nation bloc.

Lena Billings was diagnosed in early January with large ovarian cysts, a twisted ovary and a tumor on her ovary. She said it took more than a decade of severe pain before she was correctly diagnosed.

Can chilling carbohydrates help you lose weight.

A survey saw that 70% of Americans want to know the secrets of feeling young again. So how can you grow younger and not older in ways that really work?

On March 8, many of us will turn the clocks forward for daylight saving time. It might not seem like a big change, but losing an hour of sleep can take a real toll on our bodies.

Researchers have found avian flu in elephant seal pups at California’s Año Nuevo State Park, and officials have stopped seal-watching tours to help limit the spread of the virus.

Vice President JD Vance has announced that the Trump administration would “temporarily halt” some Medicaid funding to the state of Minnesota over fraud concerns, as part of what he described as an aggressive crackdown on misuse of public funds.

Cyprus will vaccinate thousands of goats, sheep, hogs and cows to contain an outbreak of foot-and-mouth disease.

Wellness influencer and entrepreneur Dr. Casey Means shared a vision for addressing the root causes of chronic disease instead of what she calls “reactive sick care” during her confirmation hearing to become the next surgeon general.

The U.S. will wind down health assistance to Zimbabwe after the African country withdrew from talks on a proposed $367 million bilateral funding deal.

Shampoos and conditioners can run from a few dollars to more than $100.

Nationwide Children’s Hospital in Columbus, Ohio, has started checking literacy skills during pediatric visits for kids as young as 3.

More than a dozen states are suing the Trump administration over its changes to vaccine recommendations for children.

A bill that would expand vaccine exemptions for K-12 schools passed its second committee hurdle in the Senate on Tuesday, but only after some Republican members expressed concern over the proposal.

Veterans with the Wounded Warrior Project have been meeting for a series of cooking classes over the past month. In their final class, they learned how to make risotto and chicken — but many say the real takeaway is connection and community.

Two local doctors joined Jennifer Waugh on News4JAX+ at 10 a.m. to discuss why younger people are developing colorectal cancer, the warning signs, and whether in-home tests are effective options at determining your risks.

The California program that identifies and treats cases of dangerous infant botulism also comforts families by sending silly cards on their babies' first birthdays.

The United Nations and Somalia's government has said that nearly 6.5 million people in Somalia are facing severe hunger.

Officials say the deaths of 72 tigers at two tourist parks in northern Thailand are a result of canine distemper and not bird flu.

The longevity expert Dr. Peter Attia has resigned from a contributor's role at CBS News after his name surfaced in hundreds of documents released as part of the Epstein files.

Robert F. Kennedy Jr. is doubling down on his support for an executive order that would aim to boost the production of a controversial weedkiller ingredient called glyphosate, even though it is widening a political fault line for the administration ahead of the midterm elections.

Legislation moving through the Florida Capitol would create new guardrails for electric bike riders, a move that comes as Wolfson Children’s Hospital reported 19 cases in January alone involving children injured while riding e-bikes.

The Food and Drug Administration is proposing a system for approving customized drugs and medical treatments for patients with rare or hard-to-treat diseases.

More than 60 million women in the U.S. live with cardiovascular disease.

The British Academy Film Awards and BBC have apologized Monday for a racial slur that was broadcast during Sunday’s show while two stars of the film “Sinners” were onstage.

Zimbabwe is one of the world's first countries to roll out lenacapavir, a long-acting HIV prevention drug that is administered only twice a year.

Thousands of nurses at a major New York hospital system have approved a new contract, voting to end a strike after more than a month.

The Trump administration says it supports a strict Biden-era rule that forces cities to replace most lead water pipes within 10 years.

A collaboration between the Community Health Outreach and the American Heart Association is working to change the number of nutrition-insecure military families in Jacksonville, starting with a truck carrying 3,500-5,000 pounds of food that will feed roughly 6,000 families a month.

Cuban officials say a U.S. fuel blockade is pushing Cuba’s health system toward collapse and putting lives at risk.

The Environmental Protection Agency on Friday weakened limits on mercury and other toxic emissions from coal-fired power plants.

The fatal nervous system disease known as ALS, or Lou Gehrig’s disease, killed actor Eric Dane less than a year after he announced his diagnosis.

A ransomware attack has forced the University of Mississippi Medical Center to close all clinics and cancel elective procedures for a second day.

A Portland, Oregon, company is recalling nearly 3.4 million pounds of frozen chicken fried rice products sold at Trader Joe's stores and in Canada.