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WASHINGTON (AP) — The government's top doctor is taking aim at the best-selling electronic cigarette brand in the U.S., urging swift action to prevent Juul and similar vaping brands from addicting millions of teenagers.

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NEW YORK (AP) — Twice as many high school students used nicotine-tinged electronic cigarettes this year compared with last year, an unprecedented jump in a large annual survey of teen smoking, drinking and drug use.

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LOS ANGELES (AP) — A higher percentage of California marijuana products are passing strict safety tests, but the sudden closing of a lab that state authorities found wasn't correctly checking for pesticides has raised new questions about the system intended to protect the purity and potency …

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ANCHORAGE, Alaska (AP) — Three Alaska groups sued Friday to demand the Environmental Protection Agency enforce the cleanup of some of the nation's most polluted winter air around the state's second-largest city.

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BETHESDA, Md. (AP) — Navy officials are taking steps to correct deficiencies that wrongly led to reports of an active shooter last month at Walter Reed National Medical Center outside Washington, two congressmen briefed by Navy officials said Friday.

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WASHINGTON (AP) — Lawmakers clashed over science, ethics and politics on Thursday at a House hearing on using fetal tissue in critically important medical research, as the Trump administration reviews the government's ongoing support for such studies.

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BOSTON (AP) — Four former employees and an owner of the Massachusetts facility responsible for a nationwide fungal meningitis outbreak that killed 76 people and sickened hundreds have been convicted of charges including mail fraud and conspiracy to defraud the U.S.

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GENEVA (AP) — The head of the U.N. agency focusing on AIDS says he'll leave his post in June, an early departure announced a week after independent experts looking into sexual harassment at UNAIDS blasted its "defective leadership."

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MIAMI (AP) — American diplomats affected by mysterious health incidents in Cuba showed damage in the inner ear shortly after they complained of weird noises and sensations, according to their earliest medical exams, publicized Wednesday.

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ST. PAUL, Minn. (AP) — Minnesota lawmakers are considering steps they could take to rein in the soaring cost of insulin, which one couple says has become so expensive that their diabetic son could no longer afford it and died.

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NIAGARA FALLS, N.Y. (AP) — A 78-year-old New York man who was evicted from federally subsidized housing because he uses medical marijuana for pain said Tuesday that the conflicting state and federal pot laws that left him homeless are now threatening his medical care.

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ALBANY, N.Y. (AP) — Former patients of a doctor accused of molesting children at Rockefeller University Hospital for decades are demanding to know what happened to photos they say the physician took while the abuse was occurring.

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WASHINGTON (AP) — The Supreme Court is avoiding a high-profile case by rejecting appeals from Kansas and Louisiana in their effort to strip Medicaid money from Planned Parenthood over the dissenting votes of three justices.

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MILAN (AP) — If Italy's fashion capital has a predominant color, it is gray — not only because of the blocks of neoclassical stone buildings for which the city is celebrated, but also due to its often-gray sky, which traps pollution.

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NIAGARA FALLS, N.Y. (AP) — A 78-year-old man who relies on medical marijuana for back pain finds himself homeless after being evicted from federally subsidized housing in a case complicated by conflicting state and federal marijuana rules.

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GENEVA (AP) — Independent experts looking into allegations of sexual harassment inside UNAIDS says the U.N agency is plagued by "defective leadership" and should consider whether its top official must go.

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DAKAR, Senegal (AP) — The second-largest Ebola outbreak in history has spread to a major city in eastern Congo, as health experts worry whether the stock of an experimental vaccine will stand up to the demands of an epidemic with no end in sight.

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BOSTON (AP) — The nation's drug classification system should be revisited but illegal drugs shouldn't simply be decriminalized nationwide, U.S. Surgeon General Jerome Adams told a gathering of police leaders focused on the opioids crisis Thursday in Boston.

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SALT LAKE CITY (AP) — A pair of advocacy groups in Utah sued Thursday to block a compromise agreement legalizing medical marijuana, accusing the Mormon church of unconstitutional domination and interference involving a process that lead to the gutting of a measure approved by voters.

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WASHINGTON (AP) — With open enrollment ending next week, the government says sign-ups for coverage under former President Barack Obama's health care law are lagging when compared with last year.