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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
![Illustration of a receptor on the surface of a cell with the drug. An agonist drug (key) binds to ...](https://biology-forums.com/gallery/31/medium_398119_17_07_17_10_01_42_3195221.jpeg)
![Wavelike neck mobilization. Place the hands palms up at the base of the neck, one on either side of ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_47_40_33114966.jpeg)