Are breast cancer cells afraid of the dark? Researchers say sleeping 
in a completely dark room boosts the natural hormone melatonin, which 
can slow the growth of tumors. Tests showed that sleeping with a night 
light or other light coming into a room reduced the effectiveness of the
 breast cancer drug tamoxifen. Source Link
If
 you want to avoid germs and still be sociable, make a fist. A 
scientific study found that a fist bump spreads far fewer germs than a 
traditional handshake. Researchers say adopting the fist bump as a 
greeting could substantially reduce the transmission of infectious 
diseases between individuals. Source Link
Eating
 healthy is getting a thumbs-up in America’s school cafeterias. A 
national survey found that the same number of kids are eating school 
lunches after new healthy food choices were mandated in 2012. And 
results showed that kids aren’t throwing away any more food than they 
were before the changes. Source Link