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Author Question: Acheulean tools date back to approximately __________ years ago. a. 1.8 million b. 1.6 million ... (Read 111 times) |
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.