In 2014, there were 1.7 million prescriptions for sildenafil as prices plunged 86%.
Couples spending too long chatting online instead of talking to each other.
Mainland shares slump by more than 8% in early trade despite further government efforts.
Families of Hannah Witheridge and David Miller arrive in Thailand as court will hear murder charges against Burmese duo.
Defence Minister Jean-Yves Le Drian orders probe into Miramas break-in.
Calls for prime minister to stand down while investigations are on-going.
Budget constraints could also drive 17,000 civilian employees out of their jobs in the next two years.
The latest attacks included one by a woman wearing a veil at a military outpost.
The incident is being investigated by NYPD's Office of Equal Employment Opportunity and Manhattan DA's office.
The leaders discussed trade, climate change and plans to cooperate on defence.
Two former Isis slaves talk about being sold and repeatedly raped by militants.
The 2-year-old was unharmed in the fatal shooting.
He worked on classics such as the Karate Kid and the Ocean's Eleven films
Youngest-ever Nobel Peace laureate says $39bn is needed on an annual basis.
Authorities in Russia have published a guide to taking selfies more safely due to an increase in the number of people killed or hurt while taking self portraits.