(Courtesy of Centers for Disease Control and Prevention)

Life-threatening infections caused by C. difficile bacteria sicken thousands a year, say health officials.

Sea levels north of New York City rose by 128mm in two years, according to a report in the journal, Nature Communications.

Coastal areas will need to prepare for short term and extreme sea level events, say scientists.

Cans of Shell V-Power energy drink sit on display with other beverages inside a Shell gas station, operated by Royal Dutch Shell Plc, in Moscow, Russia, on Tuesday, Sept. 30, 2014.

A study looked at the connection between consuming certain drinks and hyperactivity. 

A Walgreens employee holds a syringe during a free flu shot clinic at Allen Temple Baptist Church on December 19, 2014 in Oakland, California.

Reusing syringes leads to millions being infected with disease each year, group says.

Vigilante group member at the community of Petaquillas burns a marijuana allegedly seized during an operation to apprehend suspected offenders, in Chilpancingo, Guerrero State, Mexico, on February 1, 2015.

A study looked at the severity of danger in the use of multiple drugs.