HER2 stands for human epidermal growth factor receptor 2 and is most often seen as HER2 . It's a cell protein that stimulates cancer cells to grow. Its presence usually indicates an aggressive cancer.

With all the differences that can occur on a molecular level between one person and another, it shouldn't be surprising that a medication may not work as well for everyone. 

In recent years, evidence has grown suggesting that weight loss surgery may cure diabetes. But "cure" may be too strong of a word, as some patients just can't kick the disease.

It’s a hard task to manage your own health. But keeping up with your child’s medication schedules can be an extra challenge for many families, especially for ongoing conditions like asthma.

Exercise is good for just about everyone. The fitter you are, the better you'll feel. Fitness is especially important when it comes to diabetes and heart problems.

Do allergic reactions affect bipolar depression? Could an immune reaction to pollen compromise one's mental health?

A little unconscious kick or punch from a partner during sleep isn't too bad, but if nighttime feels like a boxing match, a rare and serious sleep disorder may be to blame.

After making a purchase, a person may experience a range of emotions because the purchase has an affect on their overall life-satisfaction. What impacts overall life-satisfaction more is the motivation or reason behind the purchase. 

Depression, as a result of a vitamin D deficiency, is easy to test for and easy to fix.  One major risk factor for a vitamin D deficiency is not getting enough exposure to sunlight.

If you could walk into your local pharmacy and get tested for HIV as easily as you get your annual flu shot, would you be more likely to learn your status?