Health News - Science and Medicine Articles

Close-up of a man sitting in a circle during group therapy with his hands clasped.

Social anxiety disorder: Causes, symptoms and treatment

By Kim Ann Zimmermann last updated 31 January 23

Social anxiety disorder causes significant discomfort about social interactions.

photo shows a saline drip in the foreground and a blurred out image of a child in a hospital bed in the background

COVID-19 is a leading cause of death among US children and teens, study shows

By Nicoletta Lanese published 30 January 23

An analysis of mortality data shows that COVID-19 ranks as a leading cause of death among children and teens.

illustration of a human arm with the palmaris longus muscle highlighted in red

10 body parts that are useless in humans (or maybe not)

By Nicoletta Lanese published 27 January 23

There's some debate around which human body parts are useless and which aren't.

Illustration of neurons depicted in grey-blue with red light to signify action potentials

Brain cells gone haywire during sleep may lead to chronic pain, mouse study suggests

By Nicoletta Lanese published 26 January 23

A mouse study hints at why chronic pain and poor sleep are linked.

woman using one of the best electric toothbrushes

The 10 best electric toothbrushes 2023 for a deeper clean

By Joanne Lewsley last updated 26 January 23

Buying Guide The Live Science team has tested a number of the best electric toothbrushes, from budget-friendly options to AI-integrated technology.

Buying Guide

Insomnia: Causes, symptoms and treatment

By Rachael Rettner last updated 26 January 23

Insomnia is a sleep disorder that makes it difficult to fall or stay asleep.

An ant drinking water pooling on a leaf.

Ants can detect the scent of cancer in urine

By Jennifer Nalewicki published 25 January 23

Ants use their antennae to sniff out cancer

a scientist's hand, covered by a purple glove, holds a petri dish with visible e. coli colonies growing on it

Antidepressants could fuel the rise of superbugs, lab dish study suggests

By Nicoletta Lanese published 25 January 23

A lab study suggests that antidepressants may push bacteria to become superbugs.

Choline: Sources, benefits and deficiency

By Lou Mudge published 25 January 23

Choline is an essential nutrient that plays a role in metabolism and brain development.

Can't sleep? An expert reveals why anxiety may be worse at night

By Louise Bond published 25 January 23

Experiencing anxiety at night can interfere with sleep.

Hypersomnia: Symptoms, causes and treatments

By Anna Gora published 23 January 23

REFERENCE Excessive sleepiness could be a sign of a condition known as hypersomnia.

REFERENCE

Panic disorder: Causes & symptoms of panic attacks

By Kim Ann Zimmermann last updated 23 January 23

REFERENCE Panic disorder is marked by sudden episodes of intense fear, known as panic attacks, that can trigger physical symptoms.

REFERENCE

illustration of individual Neisseria gonorrhoeae bacteria depicted in purple

New 'concerning' strain of drug-resistant gonorrhea found in U.S. for 1st time

By Nicoletta Lanese published 20 January 23

A troubling strain of gonorrhea was identified for the first time in the U.S.

person stepping onto a pair of smart scales

Best smart scales 2023: Track body composition from home

By Maddy Biddulph published 20 January 23

BUYING GUIDE The best smart scales can provide a better insight into health and fitness, from body fat percentage to bone density.

BUYING GUIDE

illustration depicts amyloid-beta peptides, the building blocks of amyloid-beta plaques, building up in the brain among individual neurons

New Alzheimer's drug slightly slows cognitive decline. Experts say it's not a silver bullet.

By Nicoletta Lanese published 20 January 23

Experts weigh in on whether the newly approved Alzheimer's treatment lecanemab is worth taking.

Sleep apnea: Symptoms, causes and treatments

By Rachael Rettner last updated 20 January 23

Sleep apnea is a condition in which people experience pauses in breathing, or shallow breathing, during sleep.

Check out the best exercise bikes on sale. Shown here, a young mother on an exercise bike.

The 8 best exercise bikes for home use in 2023

By Sam Hopes last updated 20 January 23

Buying Guide We’ve tested the best exercise bikes to help you stay active during the winter months.

Buying Guide

Best air purifiers for allergies 2023: Tried and tested

By Molly Cleary last updated 20 January 23

BUYING GUIDE The best air purifiers for allergies can help to remove indoor air pollutants including pollen, dust or pet dander.