Are you applying sunscreen the right way? and other top stories.

• Are you applying sunscreen the right way?

  

  Pop quiz: Does a sunscreen with a sun protection factor of 30 protect offer twice as much protection as a product with an SPF of 15? Does a higher SPF sunscreen protect someone from the sun longer than a lower SPF sunscreen? Pencils down. The answer to both questions is no. But those who answered incorrectly can take comfort in the fact that they aren’t alone. A 2016 survey from the American Academy of Dermatology showed that a large number of people who head out into the sun this holiday week..

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• Long-Acting Opioid Treatment Could Be Available In A Month

  

  The Probuphine implant delivers medication for six months. It helps reduce cravings for people with opioid use disorder. Courtesy of Braeburn Pharmaceuticals hide caption toggle caption Courtesy of Braeburn Pharmaceuticals The Probuphine implant delivers medication for six months. It helps reduce cravings for people with opioid use disorder. ..

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• Once-Monthly MS Injection Approved in US

  

  U.S. regulators approved the once-monthly, self-administered injection to treat multiple sclerosis made by Biogen Inc. and AbbVie Inc., but with a warning about the drug causing possible liver damage. Biogen and AbbVie are co-promoting daclizumab in the U.S. Pricing information for the drug—which also is known by its marketing name of Zinbryta—wasn't immediately available. The U.S. Food and Drug Administration approved...

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• Cell phone radiation increases cancers in rats, but should we worry?

  

  Part of the problem is that studying people is less controlled than testing animals in labs. Researchers have asked individuals diagnosed with brain tumors to recall how much they used their cell phones and compared it with usage by healthy people, but it can be hard for people to accurately remember their use. Other studies have followed healthy people for years to see whether those who use their phones the most develop more cancers, and while they have not found that to be the case, heavy user..

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• Ways women can cut their risk of breast cancer

  

  Women who carry common gene variants linked to breast cancer can still cut their risk of the disease by following a healthy lifestyle, a large new study suggests.In fact, lifestyle might be especially powerful for women at relatively high genetic risk of breast cancer, researchers found."Those genetic risks are not set in stone," said senior researcher Nilanjan Chatterjee, a professor at Johns Hopkins Bloomberg School of Public Health in Baltimore.The study found that four lifestyle factors wer..

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• Doctors: Postpone or move Olympics due to Zika

  

  "We make this call despite the widespread fatalism that the Rio 2016 Games are inevitable or 'too big to fail,' " the writers said in the letter addressed to WHO Director-General Margaret Chan. "Our greater concern is for global health. The Brazilian strain of Zika virus harms health in ways that science has not observed before."The letter shows a growing gap within the medical field on what to do about the Games. On Thursday, Dr. Tom Frieden, director of the U.S. Centers for Disease Control and..

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