With the Army's disclosure that Army Spc. Ivan Lopez was being evaluated for post-traumatic stress disorder before he went on a shooting rampage Wednesday, there were once again questions about whether the Army could have prevented the violence at Fort Hood.
Teens call it "Special K," a club drug that produces hallucinatory, out-of-body effects. But evidence is mounting that it's also a fast-acting treatment for patients with severe depression.
The latest study shows that ketamine, an FDA-approved anesthetic, can act in a matter of days for some people who don't respond to traditional antidepressants. Those drugs don't work for 40 percent of patients.
Later this spring, allergy sufferers will have access to a new form of help: a pill that can replace allergy shots. But the pill works only for grass allergies, and it's not clear how much it's going to cost.
The Food and Drug Administration just approved Oralair, the first sublingual allergy immunotherapy tablet for use in the United States. That's how regulators describe a pill that you stick under your tongue to tamp down your immune system.