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Featured

Lost in space: Sperm struggles to navigate during weightless sex

Scientists have used a tiny plastic "obstacle course" to test how much sperm would struggle to navigate during sex in the weightlessness of space.

Oldest dog DNA suggests 16,000 years of human companionship

The discovery of the oldest ever dog DNA suggests they have been our best friends for nearly 16,000 years -- 5,000 years earlier than had previously been thought, new research said Wednesday.

Last news

Canada measles cases pass 4,500, highest count in Americas

Canada's measles case count has passed 4,500, with the western province of Alberta -- which has about five million people -- recording more cases this year than the United States, figures updated Thursday showed.

Record number of mosquito-borne disease outbreaks in Europe: health agency

Europe has registered a record number of outbreaks of mosquito-borne illnesses such as chikungunya and West Nile virus this year, the EU health agency said Wednesday, saying climate change was contributing to a "new normal".

Sounds serious: NYC noise pollution takes a toll

Tim Mulligan moved to central Manhattan so he could be closer to work and avoid a daily ordeal on the rattling, screeching subway, just one part of the urban noisescape that tests New Yorkers every day.

Majority of Americans think alcohol bad for health: poll

A narrow majority of Americans now believe even moderate consumption of alcohol negatively affects health, as US drinking levels continue to decline, according to a recent survey.

New compromise but still no deal at plastic pollution talks

Countries trying to break the deadlock and strike a landmark global treaty on combating plastic pollution negotiated through the night into Friday on a last-minute revised proposal.

Tainted fentanyl blamed for 87 hospital deaths in Argentina

At least 87 people have died in Argentina after being administered bacteria-infected fentanyl in hospitals, a judge investigating the deaths said Wednesday.

New cancer plan urged as survival improvements in England slow

Improvements in cancer survival rates in England and Wales have slowed down significantly since 2010, according to a major study released Wednesday, leading to calls for an urgent national cancer plan.

Gambia baby death heightens alarm over female genital mutilation

Rights activists in The Gambia are calling for justice after a one-month-old baby's death was linked to female genital mutilation, a widely practised but illegal procedure up for review before the country's Supreme Court.

Indian top court orders roundup of stray dogs in Delhi

India's Supreme Court on Monday ordered the removal of tens of thousands of stray dogs from the capital, citing public safety concerns after a surge in dog bites.

New York declares total war on prolific rat population

New York is waging a war on multiple fronts to combat the near ubiquitous rats that plague city streets and the subways, leaving some residents afraid to let their children walk on sidewalks.

US health chief based vaccine cuts on misinformation, researchers say

US Health Secretary Robert F. Kennedy Jr. cited false claims to justify terminating 22 federal contracts for mRNA-based vaccines, researchers said Friday, a day after the World Health Organization called the decision a major blow.

Plastic pollution treaty talks deadlocked

Negotiations on a global treaty on plastic pollution are being blocked by oil-producing countries and getting bogged down in a "dialogue of the deaf", sources at the talks told AFP on Thursday.

Americans eating (slightly) less ultra-processed food

Americans still get most of their calories from ultra-processed foods, but consumption is trending down among both adults and children, official data showed Thursday.

Plastic pollution treaty talks stuck in 'dialogue of the deaf'

Negotiations aimed at forging a global treaty on plastic pollution are being blocked by oil-producing countries and getting bogged down in a "dialogue of the deaf", sources in and around the talks told AFP.

Chikungunya in China: What you need to know

Cases of chikungunya fever are rising in southern China, prompting local authorities to take measures to curb its spread.

US axes mRNA vaccine contracts, casting safety doubts

President Donald Trump's administration on Tuesday announced it would terminate 22 federal contracts for mRNA-based vaccines, questioning the safety of a technology credited with helping end the Covid pandemic and saving millions of lives.

Summer 2025 already a cavalcade of climate extremes

Record heat, massive fires, deadly floods... August has barely begun, but the summer of 2025 is already marked by a cascade of destructive and deadly weather in the northern hemisphere.

UN experts call for GHF to be dismantled

United Nations special rapporteurs called Tuesday for the Israel- and US-backed Gaza Humanitarian Foundation to be immediately dismantled, saying aid was being "exploited for covert military and geopolitical agendas".

Decision time as plastic pollution treaty talks begin

Countries were to start the clock Tuesday on 10 days of talks aimed at hammering out a landmark global treaty on combating the scourge of plastic pollution.

New push to reach plastic pollution pact

Negotiators will take another stab at reaching a global pact on plastic pollution at talks opening Tuesday in Geneva but they face deep divisions over how to tackle the health and ecological hazard.

What are all these microplastics doing to our brains?

Tiny shards of plastic called microplastics have been detected accumulating in human brains, but there is not yet enough evidence to say whether this is doing us harm, experts have said.

US plan to destroy contraceptives sparks uproar

The US administration's decision to destroy nearly $10 million worth of women's contraception products has sparked furious condemnation from doctors and aid groups, who have slammed the move as a wasteful attack on women's rights.

US bans vaccine ingredient targeted by anti-vaxxers

The US health department said Wednesday it would end the use of a vaccine ingredient long targeted by conspiracy theorists over debunked claims it causes autism.

UK battles anti-vax misinformation after child's death

A child's death from measles has sparked urgent calls from British public health officials to get children vaccinated, as the UK faces an onslaught of misinformation on social media, much of it from the United States.

French petition against return of bee-killing pesticide passes 1mn

More than a million people Sunday had signed a petition urging the French government to ditch a law allowing the reintroduction of a banned pesticide experts say is deadly to bees.

In rural Canadian town, new risk of measles deepens vaccine tensions

In the Canadian town of Aylmer, where Mennonites in traditional dress walk down the main street alongside secular locals, bitter divisions over vaccine skepticism that arose during Covid have intensified with the reemergence of measles.

US may revise hormone replacement therapy warnings

US Food and Drug Administration Commissioner Marty Makary signaled Thursday that he is open to revising strict warning labels on Hormone Replacement Therapy, following testimony from experts who said the treatment's risks have long been exaggerated.

Trump diagnosed with vein issue after leg swelling and hand bruising

US President Donald Trump has been diagnosed with a common, benign vein condition, the White House said Thursday, following speculation about his heavily bruised hand and swollen legs.

Trump diagnosed with vein issue after leg swelling, hand bruising

US President Donald Trump has been diagnosed with a long-term but benign vein condition, the White House said Thursday following speculation about his heavily bruised hand and swollen legs.

'Benign' vein issue behind Trump's swollen legs: White House

US President Donald Trump has been diagnosed with a chronic but benign vein condition after seeking medical examination for swollen legs, the White House said Thursday.

US health experts reassess hormone replacement therapy risks

US health authorities on Thursday began a reassessment of the risks surrounding Hormone Replacement Therapy (HRT), a treatment used by menopausal women around the world but long clouded by fear over its side effects.

US health experts to reassess hormone replacement therapy risks

US health authorities are set Thursday to reassess Hormone Replacement Therapy (HRT), a treatment used by menopausal women around the world but long clouded by debate over its risks.

Arizona Tribune - Health (English)