To the confusion of thousands of parents, new research has found that having children could add two years to your life. Despite the all-too-familiar sleepless nights, empty bank accounts and daily stress associated with parenthood, Stockholm's Karolinka Institute found that, rather than a biological reason, it's a caring support network that can add years to your life - encouraging better health, staying active and paying visits to the Doctor; with fathers gaining an extra two years and mothers cashing in around 18 months.  In fact, there are more benefits to siring a clan than you (probably) realise. Let us indulge you. ...