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Colorectal cancer cells. Coloured scanning electron micrograph (SEM) of cancer cells from the human colon (large intestine). Cancer of the colon is also known as colorectal cancer. Symptoms include rectal bleeding and abdominal pain. Treatment is with surgery to remove the affected area. Colon cancer is one of the most common cancers in the Western world. Magnification: x 3000 when printed 10 centimetres wide.

Health

Health scares for a new generation must be tackled with solid science

A rise in cancers among younger people, particularly colorectal cancer, is prompting speculation on social media over the causes. Only slow, careful research can get to the truth

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Male chimpanzees embracing

Life

Chimps and bonobos relieve social tension by rubbing their genitals

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The alarming rise of colorectal cancer diagnoses in people under 50

Health

The alarming rise of colorectal cancer diagnoses in people under 50

Features

Health

Why the world’s longevity hotspots may not be all they seem

Features

Health

USAID funding freeze devastates reproductive healthcare worldwide

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Environment

Oil firms' plans for net-zero oil extraction labelled as 'PR spiel'

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various white pills

Health

Using common painkiller in pregnancy might raise ADHD risk in children

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Health

Strongest evidence yet that Ozempic and Wegovy reduce alcohol intake

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Life

Humpback whale songs have patterns that resemble human language

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Health

Laughing gas could be picked up by a breathalyser

Many countries have made it illegal to possess nitrous oxide, or laughing gas, and research now shows the drug can be picked up in someone's breath

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Life

Bonobos can tell when they know something you don't

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Health

Omega-3 supplements seem to slow down biological ageing

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Environment

Zero-carbon shipping fuel could be a new source of pollution

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Health

The problems with Dry January – and what you could try doing instead

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