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Maria Cheng

Transplanting ovarian tissue helps some women have babies

LONDON – The biggest study ever of women who had ovarian tissue removed, frozen and transplanted suggests the experimental technique is safe and can help about one third of them have babies....

Study: Tiny, wireless pacemaker could be surgery-free option

LONDON – A tiny, wireless pacemaker could offer some heart patients a surgery-free alternative to the traditional devices, a new study says. Some doctors, however, say there are lingering sa...

Experimental Ebola vaccine could stop virus in West Africa

LONDON – An experimental Ebola vaccine tested on thousands of people in Guinea seems to work and might help shut down the waning epidemic in West Africa, according to interim results from a ...

Cervical cancer vaccine might work after just 1 shot, not 3

LONDON – Protecting girls from cervical cancer might be possible with just one dose of the HPV vaccine rather than the three now recommended, a new analysis suggests. The authors...

Don’t take a seat: Panel says you should stand for 2 hours

LONDON – Are you sitting down? In that case, you should probably stand up before reading this. In the first advice of its kind, British experts are recommending office workers s...

Weed killer linked to cancer

LONDON – One of the world’s most popular weed-killers – and the most widely used kind in the U.S. – has been labeled a probable carcinogen by the International Agency for Research on Cancer....

Ebola claims 10,000 worldwide

Virus entrenched in Guinea, Sierra Leone, UN agency warns

The world is high on sugar

From obvious, not-so-obvious sources, it’s killing us

A first: Muscles, nerves control bionic hands

‘I can do almost everything with it’

The world is craving junk food

LONDON – There may be more fruit, vegetables and healthy options available than ever before, but the world is mostly hungry for junk food, according to a study of eating habits in nearly 190...

U.K. moves toward genetic frontier

Critics fear House of Commons vote could lead to ‘designer babies’

WHO won’t discuss Ebola mistakes document

LONDON – The World Health Organization said Saturday that it wouldn’t explain details contained in an internal document obtained by The Associated Press in which the UN health agency said i...