physiological effect

Presents a discussion of the benefits of oils and water, covering various sources of oils, such as almonds, fish, and olives, and how much water is needed each day to stay healthy.

Describes the use and misuse of drugs and their effects on the brain.

Explains how the animal and human inhabitants of the Sonoran Desert of Arizona, including a mountain lion, a roadrunner, a coyote, a tortoise, and members of the Papago Indian tribe, adapt to and survive the desert's merciless heat.

Explores the strange and profound effects that oxygen has had on the evolution of life and death, explaining how oxygen became the foundation for biological complexity.

Presents teen-oriented information on the physical and mental health dangers of substance abuse, covering alcohol, tobacco, drugs and chemicals, drug-related concerns such as drunk driving and sex, and treatment; and provides drug statistics and resources for help.

Argues that refined carbohydrates cause obesity, discussing the history of carbohydrates in American diets, low-carbohydrate weight loss, and scientific studies that support the author's views.

Provides basic consumer health information for teens on tobacco use, addictions, and related diseases and medical conditions. Includes a chronology of significant developments related to smoking and health and a list of additional resources.

An overview of drugs and drug abuse, including a review of the intoxicating and health effects of drugs, starting and stopping using addictive drugs, and the war on drugs and the debate over legalization.

Hospitalized with the dreaded atom bomb disease, leukemia, a child in Hiroshima races against time to fold one thousand paper cranes to verify the legend that by doing so a sick person will become healthy.

Provides a simple description of how astronauts aboard a space shuttle perform everyday activities such as eating, drinking, and sleeping.