Anti-inflammation genes linked to longer lives
Species with more ‘Siglecs’ get longevity boost, study suggests
![Siglec genes](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/04/ti_siglec_feat_free.png?fit=860%2C460&ssl=1)
LONGEVITY BY THE NUMBERS How long a species lives depends upon the number of “Siglec” genes it carries. Siglec genes encode immune proteins that may protect against aging by fighting oxidants. Source: Schwarz et al./eLife 2015; Adapted by E. Otwel.
David Illig/Flickr (CC BY-NC-SA 2.0) (mouse); Dedi Sharadi/Flickr (CC BY-NC 2.0) (dog);nickandmel2006/Wikimedia Commons (CC BY-SA 2.0) (elephant); moodboard/Flickr (CC BY 2.0) (woman)