Vitamin D and Immunity 

Make sure you have enough of the sunshine vitamin — there are clear links between vitamin D and resistance to lung infections. But be careful of how much you take.

Skip the Antibiotic If You Can  

At least 18 bugs have evolved so they aren’t easily stopped by current meds. One way to stop them is to avoid taking antibiotics if possible.

Do You Need Omega-3 Supplements?  

Most people are better off meeting their needs from eating fish, but if you have heart disease omega-3 supplements may be helpful, too. Learn more.