Low levels of vitamin D in the population as a whole suggest that most people need to take a vitamin D supplement. This may be especially true for seniors, as the ability to synthesize vitamin D in the skin declines with age.

If I had to limit my advice on healthier living to just one tip, it would be simply to learn how to breathe correctly.

I don't get money from the vitamins that I make. My after tax profits go to a foundation that supports integrative medicine.

Everyone prefers some foods over others, but some adults take this tendency to an extreme. These people tend to prefer the kinds of bland food they may have enjoyed as children - such as plain or buttered pasta, macaroni and cheese, cheese pizza, French fries and grilled cheese sandwiches - and to restrict their eating to just a few dishes.

The essence of health is inner balance.

I think integrative medicine, something I've pioneered, is the way of the future. Its great promise is that it can reduce healthcare costs by shifting the whole focus of healthcare away from disease management to health promotion and prevention. They can do that two ways: first, by focusing attention on lifestyle medicine, which is very deficient. And second, by bringing into the mainstream treatments that are lower cost because they are not dependent on expensive technology.

Following an anti-inflammato ry diet can help counteract the chronic inflammation that is a root cause of many serious diseases, including those that become more frequent as people age. It is a way of selecting and preparing foods based on science that can help people achieve and maintain optimum health over their lifetime.