WASHINGTON, May 4 (UPI) -- Nestle USA's Pizza Division is voluntarily recalling select production codes of four different frozen pizzas sold nationwide due to plastic, officials say.
ATLANTA, May 4 (UPI) -- The U.S. flu season is largely over, but federal health officials say flu viruses can continue to circulate at low levels during the summer.
BRADFORD, England, May 3 (UPI) -- One of the classic signs of aging -- gray hair -- and covering it with chemical pigments -- hair dye -- may be a thing of the past, European researchers say.
SAARBRUCKEN, Germany, May 3 (UPI) -- German scientists say fluoride reduces the ability of decay-causing bacteria to stick to teeth so it is easier to wash away when brushing or with saliva.
SALT LAKE CITY, May 2 (UPI) -- A growing number of college students abuse the attention-deficit hyperactivity disorder medication Adderall especially during final exams, U.S. researchers say.
BERKELEY, Calif., May 2 (UPI) -- Earlier research found heavy metals in makeup, but U.S. researchers analyzed lipsticks and lip glosses and measured the mineral levels to determine health risk.
NEW YORK, May 2 (UPI) -- A New York City school no longer serves chicken nuggets or mystery meat for lunch anymore; it has gone vegetarian for breakfast and lunch, officials say.
ATLANTA, May 2 (UPI) -- Only 20 percent of U.S. adults meet both the federal government's aerobic and muscle-strengthening physical activity recommendations, officials say.
ATLANTA, May 2 (UPI) -- Over the past 30 years, the rate of suicide among middle-aged U.S. adults rose almost 30 percent, federal health officials said.
CLEVELAND, May 2 (UPI) -- Internet-based stress management programs effectively reduce stress for a sustainable period, U.S. researchers say.
WASHINGTON, May 2 (UPI) -- Health insurance premium tax credits from the Affordable Care Act work more like a subsidy rather than like a tax credit, a U.S. non-profit group says.
NEW YORK, May 1 (UPI) -- U.S. researchers say they found no link between autism spectrum disorders and biomarkers for Lyme disease.
MENLO PARK, Calif., May 1 (UPI) -- A U.S. survey on the Affordable Care Act indicates Americans are clueless about the law in general and how it will affect their family in particular.
SYDNEY, May 1 (UPI) -- Male facial hair influences people's judgments of men's socio-sexual attributes but these judgments are often contradictory, researchers in Australia say.
LAVAL, Quebec, May 1 (UPI) -- Cosmetic breast augmentation may adversely affect the survival of women who are subsequently diagnosed with breast cancer, researchers in Canada say.
![[PHOTOS] 2013 Celebrity Couples](http://cdn.ph.upi.com/sblc/8951368129530/8/PHOTOS-2013-Celebrity-Couples.jpg "[PHOTOS] 2013 Celebrity Couples")
