50 years ago, starving tumors of oxygen proposed as weapon in cancer fight
Excerpt from the May 4, 1968 issue of Science News
![mouse breast tumor](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/05/041018_CM_50ya_feat.jpg?fit=860%2C460&ssl=1)
AIR SUPPLY Depriving some cancerous tumors, such as this mouse breast tumor, of oxygen by cutting off blood vessels (red) is one treatment approach. But some oxygen-starved cancer cells (green) can become more aggressive.
Steve Seung-Young Lee/Univ. of Chicago Comprehensive Cancer Center, NCI/NIH, Flickr (CC By-NC 2.0)