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Quiz: Hair Loss

Test your knowledge on the basics of baldness

Christina Ianzito,

AARP

En español

Published April 26, 2021

9 Questions

d42b48d6-ddee-45d9-83fc-eb78285b0233

Quiz: Hair Loss

[ {
 "question" : "How many hairs does the average person have on his or her head?\n",
 "answers" : [ {
 "answer" : "45,000",
 "correctAnswer" : false
 }, {
 "answer" : "100,000",
 "correctAnswer" : true
 }, {
 "answer" : "300,000",
 "correctAnswer" : false
 }, {
 "answer" : "500,000",
 "correctAnswer" : false
 } ],
 "multiSelect" : false,
 "explanation" : "Experts agree that a person has, on average, 100,000 hairs covering his or her scalp.\n",
 "hint" : "",
 "hintLink" : "",
 "questionImgCaption" : "",
 "questionImgCredit" : ""
}, {
 "question" : "How many hairs is it normal to lose in a day?\n",
 "answers" : [ {
 "answer" : "10 to 20",
 "correctAnswer" : false
 }, {
 "answer" : "25 to 45",
 "correctAnswer" : false
 }, {
 "answer" : "50 to 100",
 "correctAnswer" : true
 }, {
 "answer" : "100 to 200",
 "correctAnswer" : false
 } ],
 "multiSelect" : false,
 "explanation" : "It sounds like a lot until you consider that it’s just a tiny fraction of our total number of hairs.\n",
 "hint" : "",
 "hintLink" : "",
 "questionImgCaption" : "",
 "questionImgCredit" : ""
}, {
 "question" : "What percentage of men will experience noticeable hair loss by age 50?\n",
 "answers" : [ {
 "answer" : "25",
 "correctAnswer" : false
 }, {
 "answer" : "40",
 "correctAnswer" : false
 }, {
 "answer" : "50",
 "correctAnswer" : true
 }, {
 "answer" : "65",
 "correctAnswer" : false
 } ],
 "multiSelect" : false,
 "explanation" : "That’s according to the American Academy of Dermatology.\n",
 "hint" : "",
 "hintLink" : "",
 "questionImgCaption" : "",
 "questionImgCredit" : ""
}, {
 "question" : "What do hair-loss experts think is the probable cause of most cases of male pattern baldness?\n",
 "answers" : [ {
 "answer" : "A probably genetic sensitivity to a hormone known as DHT",
 "correctAnswer" : true
 }, {
 "answer" : "A natural reaction to excess testosterone",
 "correctAnswer" : false
 }, {
 "answer" : "A loosening of the hair caused by older men’s decreased muscle and follicle strength",
 "correctAnswer" : false
 }, {
 "answer" : "An increase in the hormone progesterone that occurs as men age",
 "correctAnswer" : false
 } ],
 "multiSelect" : false,
 "explanation" : "Male pattern baldness is also known as androgenetic alopecia. Androgenetic refers to male hormones known as androgens, including DHT (dihydrotestosterone).\n",
 "hint" : "",
 "hintLink" : "",
 "questionImgCaption" : "",
 "questionImgCredit" : ""
}, {
 "question" : "How many American women have some form of significant hair loss?\n",
 "answers" : [ {
 "answer" : "4 million",
 "correctAnswer" : false
 }, {
 "answer" : "11 million",
 "correctAnswer" : false
 }, {
 "answer" : "22 million",
 "correctAnswer" : false
 }, {
 "answer" : "30 million",
 "correctAnswer" : true
 } ],
 "multiSelect" : false,
 "explanation" : "Women’s hair loss is sometimes caused by alopecia areata, a genetic condition in which the body’s own immune cells attack the hair follicles.\n",
 "hint" : "",
 "hintLink" : "",
 "questionImgCaption" : "",
 "questionImgCredit" : ""
}, {
 "question" : "Which is not a possible cause of hair loss?\n",
 "answers" : [ {
 "answer" : "Nutritional deficiencies",
 "correctAnswer" : false
 }, {
 "answer" : "Frequent shampooing",
 "correctAnswer" : true
 }, {
 "answer" : "Infections",
 "correctAnswer" : false
 }, {
 "answer" : "Stress or illness",
 "correctAnswer" : false
 } ],
 "multiSelect" : false,
 "explanation" : "There are more than a dozen possible causes of hair loss, according to the American Academy of Dermatology, but shampooing often is not one.\n",
 "hint" : "",
 "hintLink" : "",
 "questionImgCaption" : "",
 "questionImgCredit" : ""
}, {
 "question" : "Which of these treatments have the Food and Drug Administration approved to treat male pattern baldness?\n",
 "answers" : [ {
 "answer" : "The medications minoxidil and finasteride",
 "correctAnswer" : true
 }, {
 "answer" : "The supplements Nutrafol and Biotin",
 "correctAnswer" : false
 }, {
 "answer" : "Low-level laser therapy",
 "correctAnswer" : false
 }, {
 "answer" : "All of the above",
 "correctAnswer" : false
 } ],
 "multiSelect" : false,
 "explanation" : "Minoxidil is a liquid or foam that can be bought over the counter, and finasteride is an oral medication that requires a prescription.\n",
 "hint" : "",
 "hintLink" : "",
 "questionImgCaption" : "",
 "questionImgCredit" : ""
}, {
 "question" : "Which of the following is a true story about a so-called remedy for hair loss?\n",
 "answers" : [ {
 "answer" : "In the early 1900s an American company offered a vacuum cap that would exercise the scalp and stimulate growth.",
 "correctAnswer" : false
 }, {
 "answer" : "A baldness cure in ancient Egypt called for boiled porcupine hair applied to the scalp for four days.",
 "correctAnswer" : false
 }, {
 "answer" : "In 19th-century England some people would rub tea and lemon on their balding pates.",
 "correctAnswer" : false
 }, {
 "answer" : "All of the above",
 "correctAnswer" : true
 } ],
 "multiSelect" : false,
 "explanation" : "These remedies were all thought to reverse or stop hair loss. Don't try them at home!\n",
 "hint" : "",
 "hintLink" : "",
 "questionImgCaption" : "",
 "questionImgCredit" : ""
}, {
 "question" : "What did a University of Pennsylvania study find about how people perceive men with shaved heads?\n",
 "answers" : [ {
 "answer" : "Both women and men participants characterized them as less trustworthy.",
 "correctAnswer" : false
 }, {
 "answer" : "Women with bald fathers were 25 percent less likely than others to find them “very attractive.”",
 "correctAnswer" : false
 }, {
 "answer" : "Participants considered men with shaved heads more “manly” than those with hair.",
 "correctAnswer" : true
 }, {
 "answer" : "Participants estimated the hairless men’s ages to be, on average, eight years less than their real age.",
 "correctAnswer" : false
 } ],
 "multiSelect" : false,
 "explanation" : "Participants gave the men with shaved heads the highest points for “masculinity, strength, dominance and leadership potential.”\n",
 "hint" : "",
 "hintLink" : "",
 "questionImgCaption" : "",
 "questionImgCredit" : ""
} ]

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Quiz: Hair Loss

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Christina Ianzito covers scams and fraud, and is the books editor for aarp.org and AARP The Magazine. Also a longtime travel writer and editor, she received a 2020 Lowell Thomas Award for travel writing from the Society of American Travel Writers Foundation.