FOOD, MEDICINE, & HEALTH

Hyperhydration—Can Too Much Fluid Hurt?
Bottled water is a big competitive business, with retail sales reaching nearly $9 billion in 2004. It has emerged as the No. 2 beverage in the United States, behind soft drinks. Consumers and athletes pay a premium for splashes and fortified and flavored waters in their quest to remain hydrated as part of the apparent health and wellness movement.

The Food and Drug Administration regulates the quality of bottled water, and the Environmental Protection Agenc…