Most American diets, even bad ones, provide more than enough calcium for bone health, especially for men.

To be clear, I worry as much about the impact of the Internet as anyone else. I worry about shortening attention spans, the physical cost of sedentary "surfing" and the potential for coarsening discourse as millions of web pages compete for attention by appealing to our base instincts.

The more easily digestible and refined the carbohydrates, the greater the effect on our health, weight and well-being.

I fully support a national health care program for the U.S.

I'm not against high-tech medicine. It has a secure place in the diagnosis and treatment of serious disease.

I believe that it may be normal, healthy, and even productive to experience mild to moderate depression from time to time as part of the variable emotional spectrum, either as an appropriate response to situations or as a way of turning inward and mentally chewing over problems to find solutions.

If at the first sign of infection, you always jump in with antibiotics, you do not give the immune system a chance to grow stronger.