Free radical chart 1
From the following article
Radical causes of cancer

S. Perwez Hussain, Lorne J. Hofseth & Curtis C. Harris

Nature Reviews Cancer 3, 276-285 (April 2003)

doi10.1038nrc1046

 
Neurons in the brain (blue): http://www.flickr.com/photos/lorelei-ranveig/2294885580/

Neurons in the brain (whiteish: http://www.flickr.com/photos/lorelei-ranveig/2294885420/
Grapes:  http://www.flickr.com/photos/designosophy/2420535810/

Red Blood cells: http://www.flickr.com/photos/pong/13107953/

Blueish blood cells: http://www.flickr.com/photos/oddwick/3007715762/

Chest xray: http://www.flickr.com/photos/aidan_jones/1438403889/

Girl with green mustache: http://www.flickr.com/photos/naturalmom/3144891890/

Splenda in the grass: http://www.flickr.com/photos/canonsnapper/1031466572/
glass of milk: http://www.flickr.com/photos/striatic/131012552/

sugar sugar sugar: http://www.flickr.com/photos/thetruthabout/2665340846/

Einstein student quote: http://www.flickr.com/photos/sfjalar/2931059489/

Spinach growing: http://www.flickr.com/photos/lorri37/2538427196/

Smiling boy: http://www.flickr.com/photos/chefranden/97710432/

Faith and Aaron running: http://www.flickr.com/photos/emeryjl/888931891/

Smiling nurse: http://www.flickr.com/photos/hadesigns/2210717541/

post vaccine arm: http://www.flickr.com/photos/rocknroll_guitar/3011214544/

Shot in the arm: http://www.flickr.com/photos/alvi2047/3483848619/

a beautiful day in the neighborhood: http://www.flickr.com/photos/evilerin/3242340106/

son and older father: http://www.flickr.com/photos/mynameisharsha/3074177116/

guy focusing on computer:  http://www.flickr.com/photos/jenniewoo/51408446/

Man wearing breathing mask: http://www.flickr.com/photos/diegocupolo/3591449772/

Kid getting a shot: http://www.flickr.com/photos/inferis/428464603/

Flu shot blue shirt: http://www.flickr.com/photos/_lulu/3480398740/

Spiral shell: http://www.flickr.com/photos/ajawin/3211279454/

Guy with mask: http://www.flickr.com/photos/jooray/3018396207/

Woman with flu mask: http://www.flickr.com/photos/rocknroll_guitar/4009168305/

Sunlight thru trees: http://www.flickr.com/photos/respres/2632266633/

Girl eating broccoli: http://www.flickr.com/photos/lindaaslund/2384113340/