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UK 1st country to allow creation of embryos from 3 people

Maria Cheng

(AP/Matt Dunham)

Study: UK among the more unhealthy countries in Western Europe

Maria Cheng

Study: Nearly 350 million diabetics worldwide

Maria Cheng

Boxes containing tomatoes stand behind a fence at the closed shop of a distributor at the central fruit and vegetable market in Berlin on Tuesday, afternoon, May 31, 2011. The selling of vegetables especially tomatoes, cucumbers and salad went down after the products are suspected to cause the E. coli outbreak in Germany. (AP Photo/Markus Schreiber) (AP)

WHO: E. coli outbreak caused by new strain

Maria Cheng, Nataliya Vasilyeva

A farm worker shows a cucumber cut in half in a greenhouse in Algarrobo, near Malaga, southern Spain, on Tuesday, May 31, 2011. Angry Spanish farmers whose produce has been cited as a possible source of the deadly bacterial infection in Europe are watching in despair as machines grind their suddenly unwanted fruit and vegetables into compost and are particularly livid with Germany. Spanish agriculture associations accuse German officials of being trigger-happy in singling out two Spanish farm produce companies as sources of cucumbers tainted with E. coli before ascertaining if the vegetables were contaminated before leaving Spain or along the transport chain or while being handled in Germany itself. (AP Photo/Sergio Torres) (AP)

European food contamination kills 16, sickens 1150

Maria Cheng, David Rising

(Yago Veith Switzerland)

Experts say cellphones are possibly carcinogenic

Maria Cheng

In this Friday, Feb. 25, 2011 photo Thomas Horbach, chief of surgery at Stadtkrankenhaus Schwabach, who led one of the trials, is seen in his office in the hospital in Schwabach, near Nuremberg, Germany, Horbach implanted a stomach pacemaker that helps regulate the amount of food users take in. Patrick Hetzner, a 20-year-old Munich mailman, has knocked off more than 10 kilos (22 pounds) from his earlier weight of 104 kilos (229 pounds). (AP Photo/Carolin Deutsch) (AP)

Stomach pacemaker could help obese lose weight

Maria Cheng

In this photo taken Saturday, Feb. 12, 2011, Eric Selby poses for a photograph with a "sight" camera fitted in a pair of glasses, as well as its associated computer and transmitter, which work in conjunction with an artificial retina implant called the Argus II fitted in his right eye, enabling him to detect light, in Coventry, England. For two decades, Eric Selby, 68, had been completely blind and dependent on a guide dog to get around. But after having an artificial retina put into his right eye, he can detect ordinary things like the curb and pavement when he's walking outside. (AP Photo/Martin Cleaver) (AP)

Robotic eye gives blind people the power of sight

Maria Cheng

Study finds that Aspirin may cut cancer deaths, but has side effects

Maria Cheng

U.N.: HIV among young people going down in Africa

Maria Cheng

Short people at higher risk of heart problems

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Study: Chocolate could reduce heart risk

Maria Cheng

Losing breast not always best for cancer patients

Maria Cheng

Up to a third of breast cancers could be avoided

Maria Cheng

One-third of breast cancer may be avoidable

Maria Cheng

Women on birth-control pill may live longer

Maria Cheng

Being bored could be bad for your health

Maria Cheng

New morning-after pill works for up to five days

Maria Cheng