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September 19, 2016

Florida expands Zika zone in Miami Beach after 5 new cases

State officials in Florida on Friday tripled the active Zika transmission zone in the trendy seaside community of Miami Beach after five new cases of the mosquito-borne virus believed to cause a severe birth defect were identified in the area.

September 16, 2016

Exercise may reduce alcohol-related cancer risk

Getting regular moderate or vigorous exercise may offset some of the potentially lethal health effects of regular alcohol consumption, a new study suggests.

September 16, 2016

How much video game time should kids get?

Kids who play video games much more than an hour a day may experience behavior problems, a Spanish study suggests.

September 15, 2016

Too soon to tell if 9/11 firefighters face increased cancer risk, study says

Fifteen years after the 9/11 attacks, the jury is still out on whether firefighters who worked at the World Trade Center site have increased odds of developing cancer, a U.S. study suggests.

September 15, 2016

7 children hospitalized after contracting infection at California dental clinic

Seven children have been hospitalized for a potentially deadly bacterial infection after visiting a dental clinic in Southern California, and 500 more may be at risk.

September 15, 2016

Lice no longer stopped by common drugstore remedies

Many common over-the-counter lice remedies are no longer effective at stopping these critters from taking up residence on kids' heads, according to a study that has some doctors recommending prescription remedies instead.

September 13, 2016

Sugar industry downplayed heart risks of sugar, promoted risks of fat, study finds

In the 1960's, before conflict of interest disclosure was required, the sugar industry sponsored research promoting dietary fat as an important cause of coronary heart disease, and downplaying the role of sugar, according to a special report online September 12 in JAMA Internal Medicine.

September 13, 2016

Timeline: 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 1960s-80s: Zika detected in mosquitoes and monkeys across equatorial Africa 1960s-80s: 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.

September 13, 2016

Students often find school sex education negative and out of touch

Many students say the sex and relationship education in their schools can be negative and "heterosexist," and the way teachers approach the subject is ineffective, according to a review of international research.

September 13, 2016

The ultimate battle against MRSA

If you are admitted to one of the 320 intensive-care units at HCA Inc.鈥檚 hospitals, you will be bathed with germ-killing soap and administered an antibiotic nose ointment twice daily for five days.