Anorexia is a disorder in which individuals are unable to eat food, may have a severe decrease in appetite, and have an intense fear of becoming obese even when emaciated.

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Anorexia nervosa refers to an eating disorder characterized by intentional starvation, distorted body image, excessive amounts of energy, and an intense fear of gaining weight.

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Anorgasmia is a term used in psychology to describe a sexual dysfunction characterized by the inability to achieve orgasm, despite adequate sexual stimulation. This can occur in both men and women and can be a temporary or persistent problem.

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Anosmia refers to the general lack of olfaction. Also, a total loss of smell or the ability to smell due to injury or infection.

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Anosognosia refers to a term first coined by Babinski to indicate the inability or refusal to recognize that one has a particular disease or disorder.

Likewise, Anosognosia refers to the

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Anoxia is defined as oxygen deprivation experienced by a fetus during labour and/or delivery

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Other /More definition:
Anoxia refers to a condition characterized by lack of or sufficient oxygen to the brain; may result in neurological damage or death.

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- Antabuse (disulfiram) : Antabuse (disulfiram ) refers to drug that helps people break an alcohol habit by impairing their ability to convert acetaldehyde to acetic acid

Antagonism refers to the diminished or reduced effect of a drug when another drug is present.

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