Health news, features and articles

Editor's Picks

an illustration of men and women with their brains superimposed over the heads
Is there really a difference between male and female brains? Emerging science is revealing the answer. Brain scans, postmortem dissections, artificial intelligence and lab mice reveal differences in the brain that are linked to sex. Do we know what they mean?
A close-up of a doctor loading a syringe with a dose of a vaccine
'Vaccine rejection is as old as vaccines themselves': Science historian Thomas Levenson on the history of germ theory and its deniers Live Science spoke with author Thomas Levenson about his new book on the history of germ theory.
An illustration of colorful lines converging to make the shape of a human iris and pupil
Scientists hijacked the human eye to get it to see a brand-new color. It's called 'olo.' Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.

Latest about Health

A woman checking her fitness watch

Best budget fitness trackers 2025: Cheap but mighty

By Maddy Biddulph, Anna Gora last updated

Buying Guide These are the best budget fitness trackers you can buy in every category, from Fitbit Inspire 3 and Xiaomi Smart Band 9 to Garmin Forerunner 165.

Buying Guide
Illustration of coronavirus particles. Coronaviruses are a group of viruses named for their appearance under electron microscopy, where their round-tipped surface spikes make them resemble a crown.

Diagnostic dilemma: Virus caused a man to have hiccups for days on end

By Mindy Weisberger published

In an unusual case, a man's multiday bout of hiccups was triggered by a respiratory infection.

Viruses, Infections & Disease
A man rowing on a rowing machine in a living room

Best rowing machines 2025: Top 6 picks from our fitness experts

By Harry Bullmore, Anna Gora last updated

Buying Guide These are the best rowing machines you can buy in every category, from Concept2 RowErg and Ergatta Rower to Hydrow Wave.

Buying Guide
A selection of Garmin and Fitbit watches on a pink background

Fitbit vs Garmin: Which one is worthy of a place on your wrist?

By Andrew Williams, Lloyd Coombes last updated

Buying Guide Here we’ll compare Garmin vs Fitbit, including all the models, features, services and more.

Buying Guide
illustration of two cancer cells surrounded by stringy tendrils

Simple blood test could help reveal whether melanoma will come back

By Stephanie Pappas published

A new study finds that fragments of tumor DNA in a patient's bloodstream could show that they are at high risk of a melanoma recurrence.

Cancer
a group of Ugandan adults and children stand with HIV medication in their hands

Nearly 3 million extra deaths by 2030 could result from HIV funding cuts, study suggests

By Nicoletta Lanese, Emily Cooke published

A modeling study looked at how anticipated cuts to international HIV funding would affect the rate of new cases and HIV-related deaths in low- and middle-income countries.

HIV
A close-up picture of a hand holding a black smart ring

How accurate are smart rings, and how do they compare to fitness watches?

By Anna Gora published

References Smart rings may have certain advantages over wrist-worn devices, but we recommend you do not throw out your smartwatch just yet.

References
An illustration of colorful lines converging to make the shape of a human iris and pupil

Scientists hijacked the human eye to get it to see a brand-new color. It's called 'olo.'

By Nicoletta Lanese published

Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.

Neuroscience
illustration of a measles virus particle depicted in blue, plum and grey

Measles has long-term health consequences

By Stephanie Pappas published

Measles can erase the immune system's "memory" and cause a rare but fatal health condition. The MMR vaccine prevents these repercussions, evidence shows.

Viruses, Infections & Disease

Is getting an IUD painful?

By Marilyn Perkins published

People experience different amounts of pain during IUD insertion, but there are a number of pain-relief options available to patients getting the contraceptive.

Fertility, Pregnancy & Birth
1 2 3 4 5 6 7 8 9 Archives