The last 20 years has seen a huge rise in the number of over-40s being diagnosed with sexually transmitted infections (STIs). STIs can cause painful long-term symptoms, as well as infertility.
In October 2013, an online poll conducted on patient.info revealed that 31% of respondents had sex more than twice a week. On the other hand, 34% of respondents reported having sex less than once a month. The full results of this poll can be viewed below.