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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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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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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Saturated and Unsaturated Fatty Acid Saturated and Unsaturated Fatty Acid
Unsaturated fatty acid Unsaturated fatty acid
Removing the bed from a pickup truck makes gaining access to the fuel pump a lot easier. Removing the bed from a pickup truck makes gaining access to the fuel pump a lot easier.
Saturated and Unsaturated Fatty Acids Fatty acids Saturated and Unsaturated Fatty Acids Fatty acids
Unsaturated Fatty Acids Unsaturated Fatty Acids
Saturated and Unsaturated Fat Structure. Saturated and Unsaturated Fat Structure.
Video: Muscular System Animation

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