The apple tree saying for families goes way back. Parents' traits often become their children's traits. And parents' mental health issues often become their children's too.

Many people have small growths of tissue in their lungs called nodules. While most are harmless, they can be cancerous. A new breath test may provide a simple means of diagnosis.

If potty training isn't going well with "Number 2" but the bladder is under control, it may be a sign your child has a problem with his or her bowels.

Maybe allergies are not to blame if women are coughing more at certain times than others.

Over-the-counter pain relievers including aspirin and ibuprofen may have an important role to play in lowering the risks of cancer. Researchers have found an association between long-term (10+ years) use of ibuprofen and lower bladder cancer risks. 

Of course, no one can smoke inside hospitals anymore. There are strict policies against it. But, outside the hospital, on the grounds and in designated areas, it's usually still fair game.

Blistering sunburns from vacations to the coast may not result in the same type of non-melanoma skin cancer as sun exposure like lifeguarding every summer.

It's important to treat mental illness. But some people have concerns that children are over-treated with medications. Research evidence does show an increase in some psychiatric meds for kids.

Cocaine overdoses can often end up in heart attacks. But long-term habitual cocaine use can also change the structure of the heart to set it up for a heart attack not from an overdose.

Think that over-the-counter means lack-of-danger? Not true, teens can poison themselves or have seizures from trying to get high off of non-prescription drugs.