Q: My doctor says that I will have less back pain, more upper body strength and better posture if I strengthen my core. Can you explain what core strength is,
Q: It is scary to hear that men in the U.S. have an increasingly shorter lifespan compared to women. What can I do buck the trend? — Richard F., Seattle
Q: We are pregnant and want to make sure that our future child is not exposed to hazards in the environment that could lead to health problems. What should we