COLORFUL LIFE HEALTHY LIFE

Highlight: The Tree of Life Looking More Colorful

Life is far more dynamic, varied, and exciting than we typically appreciate, genetically at least. Evolutionary biologists Angela Oliverio and Laura Katz believe epigenetics, polyploidy, and extensive genome reshuffling are found—not just in the strange corners of biology where exceptions are found—but across the whole tree of life, stemming as far back as the last universal common ancestor or ...

Healthy life years (HeaLYs)

Years of healthy life.

Increasing the span of healthy life for Americans is one of the three broad goals of Healthy People 2000 (1). The years of healthy life measure has been selected for monitoring progress toward this goal. The sources and methods used for calculating years of healthy life are described in this issue of Statistical Notes. Estimated years of healthy life measures for 1990 for the total U.S. populat...

Healthy Life Expectancy Is Expanding.

This is a very complex issue given that the issue involves many factors, including genetics, socioeconomic status, culture, and the quality and availability of healthcare services. Furthermore, it is not easy to define many of the above elements (e.g., culture, quality). Even if we could, determining the individual effects of components that we know can influence healthy life expectancy (HLE) (...

Methods for life expectancy and healthy life expectancy uncertainty analysis