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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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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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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.

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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Barriers that a drug administered by the oral route must cross before interacting with a target ... Barriers that a drug administered by the oral route must cross before interacting with a target ...
The target lambda on this vehicle is slightly lower than 1.0 indicating that the PCM is attempting ... The target lambda on this vehicle is slightly lower than 1.0 indicating that the PCM is attempting ...
Anterior pituitary and its target organs. Anterior pituitary and its target organs.
Interaction between a CD8+ T cell and its target. Interaction between a CD8+ T cell and its target.
Plasma insulin binds to receptors on target cells to enter the cells, which starts actions that lead ... Plasma insulin binds to receptors on target cells to enter the cells, which starts actions that lead ...
Target Heart Rate Target Heart Rate
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