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Long spined sea urchins underwater on seabed of the Caribbean sea

Life

Surprising culprit found that killed 95% of a sea urchin population

A parasitic microorganism with tiny hair-like structures over its body called a ciliate appears to be behind the mass die-off of long-spined sea urchins across the Caribbean

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Life

Probiotics shield corals from deadly tissue loss disease

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Health

The brain may flush out its waste products after a mental workout

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Health

Losing weight is good for your health – even if you regain it

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Health

A common and treatable cause of heart attacks is being overlooked

Analysis

alzheimer's disease with MRI; Shutterstock ID 1025800153; purchase_order: -; job: -; client: -; other: -

Health

A new mitochondrial theory of Alzheimer's deserves serious attention

Leader

Naegleria fowleri amoeba

Health

Man in Florida killed by rare, brain-eating amoeba Naegleria fowleri

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Two elderly women walking across pedestrian are, back view

Health

Just 500 extra steps a day lowers heart disease risk for older adults

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HIIT involves vigorous bursts of exercise interspersed with short rest periods

Health

HIIT could be safe for people with heart problems

News

2JK2T3W Illustration of the Marburg virus, a tubular RNA (ribonucleic acid) virus which belongs to the Filoviridae family. It is responsible for Marburg haemorrhagic fever in humans. Symptoms includefever, muscle pain, rash, diarrhoea and haemorrhage.

Health

Marburg virus: What you need to know about the disease outbreak

The deadly Marburg virus has been detected in Equatorial Guinea and neighbouring Cameroon, and the World Health Organization is deploying teams to trace the spread of the disease

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Life

Researchers ‘cannot rule out’ bird flu spreading between sea lions

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Health

Massive tick-killing effort fails to reduce Lyme disease cases

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Health

How understanding a form of broken heart syndrome could save lives

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Health

Hearing noise and moving our body helps us gauge the passing of time

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