American Frontiers: Worried Sick
The Primates' Stress Club
Baboons jockeying for social status stress themselves out
and make themselves sick - just like us.
Angry at Heart
Researchers find a direct link between long-term stress and
clogged arteries. Can an aggressive personality make you sick?
To Heal or Not to Heal
For better or for worse, in sickness and in health; the state
of your marriage can affect your immune system.
Renowned stress researcher Herbert Benson helps Alan relax
while scientists look into a meditating brain.
Needles and Nerves
Studies find acupuncture can reduce blood pressure, but how?
Getting to Know Us
Computers monitor users' emotions by measuring heart rate,
jaw-tension and other physical cues.
Keeping the Peace
Studies show both monkeys and apes actively seek to resolve
conflicts within their groups, pointing to what scientists believe
are the roots of human morality.