Ozone Hole Smaller Thanks to Decades-Old Chemical Ban: Study

TUESDAY, Jan. 9, 2018 (HealthDay News) — NASA scientists say they have satellite evidence that the international ban on chlorine-containing chemicals called chlorofluorocarbons (CFCs) has helped heal the massive hole that was chewed in the Earth’s protective ozone layer. There now is roughly 20 percent less ozone depletion during the Antarctic winter than in 2005,…

Coming Soon: A Once-Weekly Pill to Fight HIV?

TUESDAY, Jan. 9, 2018 (HealthDay News) — Goodbye, daily HIV meds? Researchers say a once-a-week, slow-release pill may keep HIV infections under control and help prevent new HIV infections altogether. The pill in question is still early in development. But it contains the same highly active antiretroviral therapy (HAART) — the drug combination that revolutionized…