Ronald Kotulak

Helen Boley, a retired State Department employee, expected to lead a quiet life in Kansas City, Mo. But she has suddenly become a scientific superstar because she has what federal...

Although the physical changes of aging appear to be the same for everyone, scientists realize there are a number of aging processes and that they behave differently in each person....

In 1978, David Rorvik published a book called ''In His Image: The Cloning of a Man,'' in which he claimed that a 65-year-old egocentric millionaire named ''Max'' had a clone...

The mood was distinctly bittersweet at Fermilab on Wednesday. First, Leon Lederman, the lab`s director, learned in an early-morning telephone call from Stockholm that he was one of three American...

It was a perfectly simple question, but it stumped Dr. Carlos Mendez-Bauer. Sixteen years ago, his wife was in labor with their first baby. She asked to get out of...

Pectin, the sticky stuff found in the rind and flesh of grapefruit, apparently helps reduce a person`s serum cholesterol, but the practical significance of this finding isn`t clear. A study...

Millions of Americans will be routinely urged to take a voluntary and confidential test for the AIDS virus if the federal government adopts recommendations made Wednesday by three advisory panels...

A Centers for Disease Control advisory panel said Tuesday it favors routine AIDS virus blood tests for all pregnant women and for women attending family planning clinics, but it opposes...

If the issue wasn`t so critical, the doctor with AIDS who continues to treat patients at Cook County Hospital would serve as a classic classroom exercise in academic debate. Instead,...