Symptoms include uncontrolled movements, emotional disturbances and mental deterioration.

症状包括不受控制的运动，情绪紊乱及精神颓废。

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Fear of old age can bring about physical and mental deterioration. The thing I greatly feared has come upon me.

对晚年的恐惧会带来身体和心理上的衰老。“你越害怕发生什么事，那个事就会找上你。”

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A new class of drugs aimed at age-related physical and mental deterioration could change not only the nature of life, but of death.

一种全新的药物有望克服身体和精神的恶化，它不仅仅改变自然的生存，除了死亡。

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He says a longevity-gene drug, shielding patients simultaneously from mental deterioration, heart disease and stroke, could be ready in less than a decade.

FORBES: Researchers are unlocking the mysteries of aging.

The film is polished and menacing in its own way, as if her brother were trying to produce a film about his own terrifying mental deterioration.

FORBES: Exploitation Or Honesty: Should Filmmaker Use Her Brother's iPhone Video Of His Own Madness?

Eventually, a doctor identified the problem as Alzheimer's disease, a slow deterioration of mental faculties.

CNN: SPECIAL REPORT: HEALTH