Conversations with … Walter Willett, MD – MedPage Today

Conversations with … Walter Willett, MD
MedPage Today
The U.S. guidelines on calcium supplements recommend at least 1,000 mg a day for people over 50. That's double the World Health Organization's recommended 500 mg a day. And there's now evidence of a relationship between calcium and heart attacks 

and more »

View full post on world asthma day – Google News

Leave a Reply

Your email address will not be published. Required fields are marked *