A kidney transplant can save a patient's life. However, many patients can run into problems after getting a new organ. One of those health problems is narrowed arteries, a condition that may play a part in the rejection of transplanted kidneys.

Postmenopausal women often take calcium and vitamin D in order to keep their bones healthy. However, calcium and vitamin D can also be bad for a woman's heart, according to a new study.

Mothers were definitely on to something when they made kids eat carrots, and that sweet potato casserole wasn't just for the yummy melted marshmallows on top.

Macho guys used to feel a sense of bravado returning to competition soon after head injuries. Expressions such as "Be a man" or "Maybe that will knock some sense into you" were not helpful. Doctors have now developed a greater appreciation for sidelining professional athletes for a longer time after recurrent concussions. 

Asthma attacks are very scary, and sometimes deadly. Scientists know they need a closer look into the mechanism leading to an attack. Now, a structure has been designed at Louisiana State University to do just that.

You're taking an antidepressant and feeling better overall but still have bouts of sadness. Or, maybe you're still having trouble with insomnia or finding it hard to concentrate. You're not alone - not by a long shot.

Caution! Mad scientists make their way into the kitchen and concoct edible wheat-aller baked goods for celiac patients. A group of Italian researchers have been able to modify wheat flour in a way that makes it safely edible for celiac patients.

Most doctors prescribing anti-depressants recommend that their patients do not consume alcohol. When patients ignore this advice and decide to drink while taking their medication they may feel increasingly depressed and becoming excessively intoxicated.

When kids spend hours a day on the computer, watching TV, or playing video games they spend less time getting outside and moving around. The amount of time children sit in front of a screen may lead to heart problems later in life.

Casinos know sleepy people can make poor decisions. Using functional MRI scans, we now know which regions of the brain work best without sleep. And which brain regions assess positive outcomes.