(CBS) - The Center for Disease Control blames a new norovirus strain for making hundreds of people sick across the U.S. in recent months. Researchers at the CDC say the new strain spread rapidly from last September to December. Norovirus is highly contagious and can cause severe diarrhea and vomiting. It can spread fast on cruise ships, nursing homes and at schools. Scientists do not know yet if this newest strain is more severe and will cause more cases of norovirus than previous years.
(CBS) - Some good news, if you use folic acid supplements. Researchers say is not likely to increase your cancer risk. The University of Oxford looked at about 50,000 people and found taking folic acid for five years is safe. Many pregnant women use folic acid, which is a type of vitamin B, to lower the risk of early labor. Some people also use folic acid to prevent cancer, heart disease and stroke.
(CBS) - Get this, lightning might give you a headache. Researchers found that a lightning strike within 25 miles of a person caused a headache or migraine for almost 25 percent of those in the study. Scientists at the University of Cincinnati believe negatively charged lightning currents may be triggering the headaches.