You read the stories in our #15Girls series and posed some really good questions. (Wish we'd thought of them first.) Here are answers from our correspondents.
"This proposed rule will help improve the health of more than 760,000 children and help public housing agencies save $153 million," Housing and Urban Development Secretary Julián Castro says.
Many pregnant women aren't getting adequate health care, so they aren't being tested for syphilis. It can kill or seriously disable babies. The 458 cases last year could have been prevented.
Many people who become addicted to drugs, tobacco or alcohol start using as teenagers. So more effort is being put into helping teenagers stop before they get in too deep.
In the fight against obesity, junk foods have become public enemy No. 1. But some people question whether certain foods are really the culprits. Two new studies come to very different conclusions.
Outlawing more than a dozen cannabinoids — chemicals concocted in labs and sprayed on leaves to create this risky street drug — hasn't stopped the problem. Chemists just make new versions.
Disagreement over terms like "all natural" or "100 percent natural" has spawned dozens of lawsuits. The Food and Drug Administration is requesting comments from the public on what "natural" means.
Researchers asked people with depression to use an online cognitive behavioral therapy program at home. It helped no more than primary care visits. Most said they were too depressed to use it.