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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
![Apply effleurage over eyelids. Using very light pressure, stroke the closed eyelids with your thumbs ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_13_05_331331931.jpeg)
![Using your fingertips at the edge of the eye orbit, apply L stroke down to chin and back toward the ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_8_48_06_334741792.jpeg)