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People about to have surgery must tell their health care providers about all supplements they take.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
The average office desk has 400 times more bacteria on it than a toilet.
According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
![A typical pedestal grinder with a wire wheel on the left side and a stone wheel on the right side. ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_44_55_29461604.png)
![The side injector combines with the shape of the piston to create a swirl as the piston moves up ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_1_51_46_300221466.png)