Tuesday, January 8, 2008

Artificial Light at Night Stimulates Breast Cancer Growth in Laboratory Mice

This is surprising, sort of:

Results from a new study in laboratory mice show that nighttime exposure to artificial light stimulated the growth of human breast tumors by suppressing the levels of a key hormone called melatonin. The study also showed that extended periods of nighttime darkness greatly slowed the growth of these tumors.

Read the rest here.

1 comment:

Occasus Pars said...

Interesting. There was an article recently about how bad sleep habits raise the risk of diabetes.