A taxonomy of suffering

Anthropogenic non-human suffering e.g., animal farming, harvesting Example organizations: Most Animal Charity Evaluators Charities Anthropogenic human suffering e.g., violence on human (human rights violation) Example organizations: Amnesty International Non-anthropogenic non-human suffering e.g., wild animal suffering Example organizations: Some organizations recognize

TENS for menstrual pain reduction as a cause area

TENS (TENS device) for menstrual pain reduction could be an effective cause area. (For TENS to reduce menstrual pain, see, e.g., http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD002123/full, mylivia.com, https://www.indiegogo.com/projects/livia-the-off-switch-for-menstrual-pain-women-health#/, https://drjengunter.wordpress.com/2016/05/24/livia-isnt-a-new-off-switch-for-period-pain-its-an-expensive-tens-unit/)   TENS devices are as cheap as ~US$4 on ebay (http://www.ebay.com/itm/Tens-Machine-Digital-Therapy-Full-Body-Massager-Pain-Relief-acupuncture-Back-TL-/351578692780, incl. shipping, excl. 3 AAA