Researchers at Johns Hopkins and Harvard have linked air pollution to higher levels of anxiety. 
They studied data on about 70
,000
older women and found those who lived close to busy roads and were exposed to high levels of pollution were more likely to be stressed.
Researchers say air pollution compromises the body
‘
s ability to detoxify which can lead to inflammation or aggravate existing health conditions.
SOURCE – The BMJ/MedDay/CBS

Knee replacement surgery
Patients who go home after knee replacement surgery and receive physical therapy recover just as well as those who check into a rehabilitation facility according to a new study. 
Researchers at the Hospital for Special Surgery looked at 2
,
4
00
patients
,
and found complication rates were the same six months after surgery regardless of where the patient recovered.
SOURCE – Hospital for Special Surgery/MedDay/CBS

Breast milk
Health experts from London are calling on governments around the world to regulate the sale of breast milk on the internet.  
Previous research has found milk purchased online has more bacterial growth due to lack of pasteurization, poor shipping and poor storage.
The experts from Queen Mary University say the milk also should be screened for diseases, such as hepatitis and HIV.
SOURCE – The BMJ/MedDay/CBS