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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Thoracentesis. A needle is inserted between the ribs to withdraw fluid from the pleural sac at the b Thoracentesis. A needle is inserted between the ribs to withdraw fluid from the pleural sac at the b
Acid–Base Balance Acid–Base Balance
Acid–Base Balance Acid–Base Balance
Base excision repair (BER) accomplished by uracil DNA glycosylase Base excision repair (BER) accomplished by uracil DNA glycosylase
Ball-and-stick models of A=T and G≡C base pairs Ball-and-stick models of A=T and G≡C base pairs
Mutation by incorporation of the nucleotide base analog 5-bromouridine (BU) Mutation by incorporation of the nucleotide base analog 5-bromouridine (BU)
Video: Neural Reflex Arc Animation

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