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Everyone has one nostril that is larger than the other.
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.
Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.
![First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl](https://biology-forums.com/gallery/47/medium_46687_12_12_14_7_07_21_195641052.jpeg)
![Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_45_12_20863285.jpeg)