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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Young feral cat eating a cottontail rabbit. Young feral cat eating a cottontail rabbit.
Children in Baltimore (1909) pull the stringy parts from beans in preparation for canning. Photograp Children in Baltimore (1909) pull the stringy parts from beans in preparation for canning. Photograp
Structures formed by phospholipids in an aqueous environment: Micelle Structures formed by phospholipids in an aqueous environment: Micelle
Describe how fat is digested, absorbed, and transported in the body Describe how fat is digested, absorbed, and transported in the body
Children who witnessed violence in their homes Children who witnessed violence in their homes
Nitrogen dioxide decomposes at 300°C via a second-order process to produce nitrogen monoxide ... Nitrogen dioxide decomposes at 300°C via a second-order process to produce nitrogen monoxide ...
Video: Non-polar compounds - insolubility

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