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Author Question: Movement down a concentration gradient means that the substance is moving ________. (Read 28 times) |
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.