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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
![Nurses may collaborate with social workers, physicians, and other members of the health care team to](https://biology-forums.com/gallery/47/medium_2137_17_05_12_1_52_57.jpeg)
![A medical records department. (Paper records are becoming obsolete, replaced by electronic records.)](https://biology-forums.com/gallery/47/medium_380792_19_05_16_2_39_01_235261537.jpeg)