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Health

Discover the latest health news, scientific discoveries and big ideas about the human body and treating diseases, covid-19, diet, fitness, exercise, wellness and how to live a healthy life.

The covid-19 virus, SARS-COV-2, inside and on top of tunneling nanotubes

Health

Coronavirus may enter the brain by building tiny tunnels from the nose

How the virus behind covid-19 enters the brain was somewhat of a mystery, but new evidence hints it may build tiny tubes from nose cells to brain cells that it can shuttle through

Catching the coronavirus after the 34th week of pregnancy may raise the risk of a premature birth seven-fold

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Coronavirus in late pregnancy raises premature birth risk seven-fold

Health

What lab-grown ‘mini-brains’ are revealing about this mysterious organ

Hormone Replacement Therapy; Shutterstock ID 181675340; purchase_order: -; job: -; client: -; other: -

Health

Hormone replacement therapy may be safe after breast cancer treatment

Polarised light micrograph of serotonin crystals

Health

No link between depression and serotonin, finds major analysis

A person takes samples from Marseille sewage water near a retirement home in France to detect covid-19 traces in December 2020

Health

Sewage surveillance spots new covid-19 variants as effectively as PCRs

NEW YORK, NY - JUNE 08: Passengers wear masks at the subway during rush hour on June 08, 2021 in New York City. New York City's subways are now operating 24-7 as Covid-19 cases have dropped and more Americans receive the vaccination for Covid-19. (Photo by Robert Nickelsberg/Getty Images)

Health

How to cut your risk of catching the BA.4 and BA.5 covid subvariants

Sign showing temperature of 43掳C.

Health

Why are heatwaves dangerous and how does extreme heat affect the body?

Sperm cells

Health

What we know so far about how covid-19 affects sperm

X and Y chromosome

Health

Risk of heart failure may increase with age due to Y chromosome loss

The Y chromosome, involved in sex determination, mysteriously disappears from some men鈥檚 immune cells as they get older 鈥� and that could be fatal

Health

Modified pig hearts transplanted into dead people kept on life support

Health

Tiny bubbles in semen could contribute to 鈥榰nexplained infertility鈥�

Health

Men may eat more in summer because sunlight makes them hungrier

Health

Infertility in some men may be caused by X chromosome mutations