Edcamps are: 1  free. 2  non-commercial and conducted with a vendor-free presence. 3  hosted by any organization interested in furthering the edcamp mission. 4  made up of sessions that are determined on the day of the event. 5  events where anyone who attends can be a presenter.
One menstrual cup will last you forever.*. According to Diva Cupâs website, you should replace your cup annually. *Many other eco sites actually claim that with proper care, one cup could last 10 years.
She says a mattress must be firm enough to support a spine. Dr. McEvoy says there is no magic number on replacement, but the times can depend on the weight and quality of the mattress. When we asked people on the street how often they replace their mattresses, the answers ranged from two to 20 years. Many people cited comfort, dust mites and sweat as the reason for replacement.