Health

Understanding how the body works — and what happens when things change — is paramount to improving the health and wellbeing of every person on the planet. Our team of expert health writers and editors are here to demystify the latest medical advances, explain how the latest health news affects you, and help you understand which exercise equipment can really help improve your fitness. Whether you're after facts about the human body or the secrets to extreme longevity, our health articles and features aim to leave you better informed, up to date with the latest discoveries, and even more curious about human health. 

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Editor's Picks

Focus on a teenage patient as a doctor checks in on them.
Do redheads really need more anesthesia? Redheads are said to experience pain differently than other people and require higher doses of pain medications, depending on the drug used. Why?
close up of a e. coli bacterial cell with wiggly projections. A large number of viruses can be seen landing on the part of the bacterium furthest from the viewer
Dangerous 'superbugs' are a growing threat, and antibiotics can't stop their rise. What can? Traditional antibiotics drive bacteria toward drug resistance, so scientists are looking to viruses, CRISPR, designer molecules and protein swords for better treatments.
photo of a toddler recovering from rsv in a hospital bed; he's sitting up and holding a toy care while sucking on a binky. An oxygen tube is inserted into his nostrils and secured to his face with colorful adhesive bandages
RSV: Symptoms, treatments, antibodies and vaccines In healthy children and adults, RSV typically causes mild, cold-like symptoms, but it can cause more serious disease in infants, young kids and older people.

Latest about Health

Digitally generated computer graphic illustration image of a human brain with a modeling clay texture.

Human brains aren't as plastic as you might think

By Tamar Makin, John Krakauer published

The idea of treating neurological disorders by marshaling vast unused neural reserves is more wishful thinking than reality.

Neuroscience
Woman exercising on the NordicTrack RW900

Brilliant NordicTrack smart rowing machine is $500 off today, for Black Friday

By James Frew published

The NordicTrack RW900 is down to less than $1,500, with 26 levels of magnetic resistance and iFit classes for full-body home workouts

Exercise
closeup of a man smoking a joint outdoors, as he blows out a large plume of smoke

Genetic risks behind 'cannabis use disorder' found in huge study

By Nicoletta Lanese published

In a study that included genetic data from more than 1 million people, scientists started to unravel the genetics of cannabis use disorder.

Genetics
Apple Watch Series 8 being tested by Live Science

Best fitness trackers 2023

By Andrew Williams last updated

Buying Guide From sleep tracking to stress management, these are the best fitness trackers we’ve tested to support your health goals.

Buying Guide
close up illustration of a dark blue immune cell

An immunologist explains why the immune system works best when balanced, not 'boosted'

By Aimee Pugh Bernard published

Disease can arise both when immune cells are too active and when they're not active enough.

Immune System
Fitbit Inspire 3 being tested by Live Science contributor Andrew Williams

This $70 Black Friday Fitbit deal is perfect for anyone buying their first fitness tracker

By Lloyd Coombes published

Deal The Fitbit Inspire 3 is just $69.95 for Black Friday at Best Buy — move fast.

Deal
Black Friday offers a whole load of savings on fitness trackers

Best Black Friday fitness tracker deals 2023

By Anna Gora last updated

Black Friday is a perfect time to snap up huge discounts on fitness trackers. Here are the best deals we've found so far

Exercise
Men running with the Fitbit Charge 6

Hurry! Fitbit Charge 6 is less than $100 with this fast-selling Black Friday deal

By James Frew published

Save $60 on Fitbit's latest fitness tracker with built-in GPS, Google Pay, and an ECG monitor to keep tabs on your heart.

Exercise
BlueAir 311i+ Max air purifier

32% saving on the BlueAir 311i+ Max is a breath of fresh air this Black Friday

By Anna Gora published

Deal Save over $90 on this excellent air purifier.

Deal
older man with a white mustashe sits at a dinner table and leans back from a mostly empty plate of food, as if finish with the meal. Others can be seen sitting with him in the background

Does it really take 20 minutes to realize you're full?

By Anna Gora published

There's a time gap between when you've eaten enough to satisfy your hunger and when the brain actually realizes that you are full. Why?

Food & Diet
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