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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.

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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Female choice of males based on nuptial gifts. Female choice of males based on nuptial gifts.
Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source: Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source:
The gaping hole in the destroyer USS Cole, in the port of Aden, Yemen, was the work of suicide bombe The gaping hole in the destroyer USS Cole, in the port of Aden, Yemen, was the work of suicide bombe
Likelihood of Developing Type 2 Diabetes Mellitus Based on BMI Likelihood of Developing Type 2 Diabetes Mellitus Based on BMI
Continuum of aggression. Based on an unpublished figure by Joanne DeSanto Iennaco. Continuum of aggression. Based on an unpublished figure by Joanne DeSanto Iennaco.
Irene Manufacturing uses a predetermined overhead allocation rate based on a percentage of ... Irene Manufacturing uses a predetermined overhead allocation rate based on a percentage of ...
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