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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Giraffe bending down to drink. The animal's rete mirabile prevents excess blood flow to the bra Giraffe bending down to drink. The animal's rete mirabile prevents excess blood flow to the bra
Summation of Heart Sounds, Opening Snap Summation of Heart Sounds, Opening Snap
Temperature Changes on Heart Rate Temperature Changes on Heart Rate
A Breathalyzer is used to measure a person's blood alcohol concentration (BAC) A Breathalyzer is used to measure a person's blood alcohol concentration (BAC)
Normal conduction pathway in the heart Normal conduction pathway in the heart
Nursing Care Plan Process: Client with High Blood Lipid Levels Nursing Care Plan Process: Client with High Blood Lipid Levels
Video: Studying the Left and Right Brain Independently

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