樱桃视频

May 4, 2016

US-funded abstinence programs not working in Africa

The U.S. funds abstinence and faithfulness education in sub-Saharan Africa to prevent HIV transmission, but a new study suggests the investment doesn't lead to less risky sexual behaviors in that area.

May 4, 2016

History of yeast infection may increase risk of psychiatric disorders

Researchers from Johns Hopkins University have observed a link between yeast infections and a history of mental illness.

May 4, 2016

Flu strikes fewer infants when pregnant women get vaccinated

Infants have a much lower risk of getting influenza when their mothers are vaccinated against the virus during pregnancy, a U.S. study confirms.

May 3, 2016

Calorie restriction may have some benefit for non-obese

Even for people who are a healthy weight or only somewhat overweight, cutting calories for two years may lead to weight loss as well as improved mood and sexual drive, according to a new study.

May 2, 2016

Sex after a heart attack? Doctors give the all clear

Sex does not increase heart attack survivors' risk of having another attack, except in rare cases, a new study finds

May 2, 2016

More evidence that smoking worsens semen quality

A new review confirms that smoking has bad effects on a man's semen.

April 29, 2016

Zika's origin and global spread

The following timeline charts the origin and spread of the Zika virus from its discovery nearly 70 years ago: 1947: Scientists researching yellow fever in Uganda's Zika Forest identify the virus in a rhesus monkey 1948: Virus recovered from Aedes africanus mosquito in Zika Forest 1952: First human cases detected in Uganda and Tanzania 1954: Virus found in Nigeria 1960s-80s: Zika detected in mosquitoes and monkeys across equatorial Africa 1969-83: Zika found in equatorial Asia, including India, Indonesia, Malaysia and Pakistan 2007: Zika spreads from Africa and Asia, first large outbreak on Pacific island of Yap 2012: Researchers identify two distinct lineages of the virus, African and Asian 2013-14: Zika outbreaks in French Polynesia, Easter Island, the Cook Islands and New Caledonia.

April 28, 2016

Parasitic worms may hold key to cutting spread of HIV: researchers

LONDON (Thomson Reuters Foundation) - A parasitic worm which affects millions of the world's poorest people may hold an important but little-known key to cutting the spread of HIV, researchers said ahead of a conference on the issue in London.

April 27, 2016

Everyday stressors tied to sperm damage

Certain lifestyle factors are linked to higher rates of damage in the genetic material in men's sperm, a study suggests.

April 27, 2016

Factbox: Why the Zika virus is causing alarm

Global health officials are racing to better understand the Zika virus behind a major outbreak that began in Brazil last year and has spread to many countries in the Americas.