It’s estimated that worms treatment has a benefit-to-cost ratio of 20:1! Also, it affects 2 billion people (400 million children) and costs only ~0.25 cents per kid to treat. Sounds like a fantastic use of charitable dollars.
– Give to “Room to Read” to fund education around the world. ($250 for 1-yr of schooling for a girl who wouldn’t otherwise have the opportunity.) http://www.roomtoread.org/involvement/adopt.html
– Below is a good post by Tim Ferris (author of the ‘lifestyle design’ book “4-Hour Work Week”.) He gives convincing rationale for why you should give NOW (and not wait until you are older/have more money):