Emily Cooke

A study has tied a substance in the blood to colorectal cancer in people under age 50. It may act as an early signal of the disease, scientists say, but that needs to be confirmed.

Listeria infections tied to the consumption of sliced deli meat have recently hospitalized almost 60 Americans.

Cases of "sloth virus" have been reported in the U.S. and Europe for the first time. But what is it?

Analysis of samples from an expedition to the Arctic Ocean suggest that marine microbes could be a promising new source of antibiotics.

A mini model of the human intestines suggests that chlamydia bacteria can colonize the gut, potentially contributing to recurrent infections.

A new study in mice suggests that the brain creates multiple copies of memories, which enables it to regulate how they change over time.

Scientists use "wet-bulb temperature" to gauge how extreme heat affects the body. But what is it?

Sports mastery is about much more than physical capability — it shapes the brain, too.

Experts tell Live Science what it means to "hit the wall" while exercising and how to avoid it.

Other types of surgery besides double mastectomies are equally good at lowering death rates in women with cancer in one breast.

A rare gene variant may explain why a subset of patients with ALS recover from the deadly disease.

New research shows that an injectable goo can repair cartilage damage in animals' joints within six months. Scientists are now developing the tech for use in humans.

Many drugs are forbidden for use by athletes in major international competitions, such as the Olympics. Here's why.

An orthopedic surgeon explains what it's like to support USA Basketball at the Olympics.

In a new study, women who followed diets low in added sugar and high in nutrients had "younger-looking" cells.

A small trial in identical twins has shown that going vegan for two months may slow aging, but the findings should be interpreted cautiously, experts say.

In the U.S., tap water is generally safe and not a likely source of brain-eating-amoeba infections, experts told Live Science.

A now-retired doctor in Texas describes his experience treating a child with a brain-eating amoeba infection.

A new study harnessed Mariah Carey karaoke and brain scans to reveal the neuroscience behind blushing.

Preliminary experiments suggest that a new test could diagnose bacterial infections that cause sepsis days faster than conventional approaches, with potentially lifesaving consequences.

Scar tissue differs from normal skin in a few important ways.

So much is still unknown about consciousness, nevermind whether brain organoids will achieve it, explains a leading neuroscientist.

Blocking a pro-inflammatory protein extended the life span of mice by around 25%. Could it do the same in humans?

Scientists uncovered a species of fungi that had never before been seen in humans. They say warmer temperatures could drive its evolution, for the worse.

Scientists have bred mice that are just like us — at least in terms of their immune systems.